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data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Posey_and_Webster_Street_Tubes&params=37_47_16_N_122_16_38_W_region:US_type:landmark"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">37°47′16″N</span> <span class="longitude">122°16′38″W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">37.78778°N 122.27722°W</span><span style="display:none"> / <span class="geo">37.78778; -122.27722</span></span></span></a></span></span></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Underwater tunnels in California</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard"><caption class="infobox-title fn org">Posey and Webster Street Tubes</caption><tbody><tr><th colspan="2" class="infobox-header" style="background-color: #eee;">Overview</th></tr><tr><th scope="row" class="infobox-label">Location</th><td class="infobox-data label"><a href="/wiki/Alameda,_California" title="Alameda, California">Alameda, California</a> and <a href="/wiki/Oakland,_California" title="Oakland, California">Oakland, California</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Geographic_coordinate_system" title="Geographic coordinate system">Coordinates</a></th><td class="infobox-data"><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Posey_and_Webster_Street_Tubes&params=37_47_16_N_122_16_38_W_region:US_type:landmark"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">37°47′16″N</span> <span class="longitude">122°16′38″W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">37.78778°N 122.27722°W</span><span style="display:none"> / <span class="geo">37.78778; -122.27722</span></span></span></a></span></span></td></tr><tr><th scope="row" class="infobox-label">Route</th><td class="infobox-data"><span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/California_260.svg/27px-California_260.svg.png" decoding="async" width="27" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/California_260.svg/40px-California_260.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/39/California_260.svg/54px-California_260.svg.png 2x" data-file-width="449" data-file-height="401" /></span></span> <a href="/wiki/California_State_Route_260" class="mw-redirect" title="California State Route 260">SR 260</a><br />(Signed as <span class="mw-default-size" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/California_61.svg/23px-California_61.svg.png" decoding="async" width="23" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/California_61.svg/35px-California_61.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/California_61.svg/46px-California_61.svg.png 2x" data-file-width="385" data-file-height="401" /></span></span> <a href="/wiki/California_State_Route_61" title="California State Route 61">SR 61</a>)</td></tr><tr><th scope="row" class="infobox-label">Crosses</th><td class="infobox-data"><a href="/wiki/Oakland_Estuary" title="Oakland Estuary">Oakland Estuary</a></td></tr><tr><th scope="row" class="infobox-label">Start</th><td class="infobox-data">North of Wilma Chan Way in Alameda</td></tr><tr><th scope="row" class="infobox-label">End</th><td class="infobox-data">South of 6th Street in Oakland</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #eee;">Operation</th></tr><tr><th scope="row" class="infobox-label">Work begun</th><td class="infobox-data">June 15, 1925<span style="display:none"> (<span class="bday dtstart published updated itvstart">1925-06-15</span>)</span> (Posey)<br />October 12, 1959<span style="display:none"> (<span class="bday dtstart published updated itvstart">1959-10-12</span>)</span> (Webster)</td></tr><tr><th scope="row" class="infobox-label">Opened</th><td class="infobox-data">October 27, 1928<span style="display:none"> (<span class="bday dtstart published updated itvstart">1928-10-27</span>)</span> (Posey)<br />February 13, 1963<span style="display:none"> (<span class="bday dtstart published updated itvstart">1963-02-13</span>)</span> (Webster)</td></tr><tr><th scope="row" class="infobox-label">Operator</th><td class="infobox-data"><a href="/wiki/California_Department_of_Transportation" title="California Department of Transportation">California Department of Transportation</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #eee;">Technical</th></tr><tr><th scope="row" class="infobox-label">Length</th><td class="infobox-data">3,545.1 feet (1,080.5 m)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><abbr title="Number">No.</abbr> of <a href="/wiki/Lane" title="Lane">lanes</a></th><td class="infobox-data">2 per tube</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Structure_gauge" title="Structure gauge">Tunnel clearance</a></th><td class="infobox-data">14.67 feet (4.47 m) (Posey Tube)<br />14.83 feet (4.52 m) (Webster St. Tube)</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #eee;">Route map</th></tr><tr><td colspan="2" class="infobox-full-data"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 290px; height: 200px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="290" data-height="200" data-zoom="14" data-lat="37.7875" data-lon="-122.277" data-overlays="["_81d586d2c4f1acd30d9ecffd5dbc50e0aea43e33"]" href="/wiki/Special:Map/14/37.7875/-122.277/en"><img src="https://maps.wikimedia.org/img/osm-intl,14,37.7875,-122.277,290x200.png?lang=en&domain=en.wikipedia.org&title=Posey_and_Webster_Street_Tubes&revid=1252954086&groups=_81d586d2c4f1acd30d9ecffd5dbc50e0aea43e33" width="290" height="200" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,14,37.7875,-122.277,290x200@2x.png?lang=en&domain=en.wikipedia.org&title=Posey_and_Webster_Street_Tubes&revid=1252954086&groups=_81d586d2c4f1acd30d9ecffd5dbc50e0aea43e33 2x" alt="Map" /></a></td></tr></tbody></table> <p>The <b>Posey</b> and <b>Webster Street Tubes</b> are two parallel underwater tunnels connecting the cities of <a href="/wiki/Oakland,_California" title="Oakland, California">Oakland</a> and <a href="/wiki/Alameda,_California" title="Alameda, California">Alameda, California</a>, running beneath the <a href="/wiki/Oakland_Estuary" title="Oakland Estuary">Oakland Estuary</a>. Both are <a href="/wiki/Immersed_tube" title="Immersed tube">immersed tubes</a>, constructed by sinking <a href="/wiki/Precast_concrete" title="Precast concrete">precast concrete</a> segments to a trench in the Estuary floor, then sealing them together to create a tunnel. The Posey Tube, completed in 1928, currently carries one-way (Oakland-bound) traffic under the Estuary, while the Webster Street Tube, completed in 1963, carries traffic from Oakland to Alameda. </p><p>The Posey Tube is the second-oldest underwater vehicular tunnel in the US, preceded only by the <a href="/wiki/Holland_Tunnel" title="Holland Tunnel">Holland Tunnel</a>. It is the oldest immersed tube vehicular tunnel in the world. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Oakland_Estuary" title="Oakland Estuary">Oakland Estuary</a> (then known as <a href="/wiki/Alameda_Creek" title="Alameda Creek">San Antonio Creek</a>) was first crossed by the Webster Street <a href="/wiki/Swing_bridge" title="Swing bridge">swing bridge</a> for narrow gauge rail and road traffic, completed in 1871.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> A second crossing was added in 1873 as the Alice Street swing bridge,<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> built for <a href="/wiki/Central_Pacific_Railroad" title="Central Pacific Railroad">Central Pacific</a> (later <a href="/wiki/Southern_Pacific_Transportation_Company" title="Southern Pacific Transportation Company">Southern Pacific</a>) rail traffic. </p><p>Both the Webster and Alice bridges were replaced by new swing bridges completed in 1900 and 1898, respectively. The Alice bridge was replaced by the Harrison Street bridge, one block west.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The replacements were prompted by the <a href="/wiki/Secretary_of_War" class="mw-redirect" title="Secretary of War">Secretary of War</a>, who stated the swing spans each needed to be at least 150 feet (46 m) to accommodate marine traffic in 1896. At first, it was planned to replace both bridges with a single bridge,<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> but Southern Pacific officials were unable to come to an agreement with Alameda County supervisors, and in 1897 the railroad declared the Harrison Street bridge, replacing the Alice bridge, would be devoted solely to rail traffic, accommodating both narrow and standard-gauge trains.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> During the construction of the replacement Webster bridge, county supervisors initially rejected an offer to use the old Alice bridge as a detour for road traffic,<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> but later accepted, avoiding a more distant route through the eastern part of Alameda,<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> and teamster traffic moved to Alice in December.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> The old Webster bridge was demolished by January 1899.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>By 1916, the War Department had declared the replacement Webster and Harrison bridges<sup id="cite_ref-CC-19271222_13-0" class="reference"><a href="#cite_note-CC-19271222-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> were a menace to deep-water navigation and an obstacle to continued development of Oakland Harbor in 1916.<sup id="cite_ref-Baker-26_14-0" class="reference"><a href="#cite_note-Baker-26-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> As an example, <a href="/w/index.php?title=SS_Lancaster&action=edit&redlink=1" class="new" title="SS Lancaster (page does not exist)">SS <i>Lancaster</i></a> rammed the Webster Street bridge in January 1926, causing the swing section to fall into the Estuary and forcing road traffic to be rerouted.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> The Harrison Street bridge closed to traffic after December 26, 1923 and was largely demolished the following day.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> After the completion of the Posey Tube, the Webster Street bridge was sold to Sacramento County for <span style="white-space: nowrap">US$3,100</span> (equivalent to $60,000 in 2023) in November 1928.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> The central swing span was subsequently floated by barge up the <a href="/wiki/Sacramento%E2%80%93San_Joaquin_River_Delta" title="Sacramento–San Joaquin River Delta">Delta</a> and reassembled as part of the new American River Bridge, later known as the <a href="/wiki/Jibboom_Street_Bridge" title="Jibboom Street Bridge">Jibboom Street Bridge</a>.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Posey_Tube">Posey Tube</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=2" title="Edit section: Posey Tube"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Posey_Tube,_Alameda.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Posey_Tube%2C_Alameda.jpg/260px-Posey_Tube%2C_Alameda.jpg" decoding="async" width="260" height="195" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Posey_Tube%2C_Alameda.jpg/390px-Posey_Tube%2C_Alameda.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Posey_Tube%2C_Alameda.jpg/520px-Posey_Tube%2C_Alameda.jpg 2x" data-file-width="2592" data-file-height="1944" /></a><figcaption>Posey Tube entrance in Alameda</figcaption></figure> <p>Preliminary plans for a tube had been explored as early as 1903, but detailed studies were not prepared until 1922.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> However, the entry of the United States into World War I delayed the plans for a new connection between Oakland and Alameda.<sup id="cite_ref-Baker-26_14-1" class="reference"><a href="#cite_note-Baker-26-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> A permit for the tube under the Oakland Estuary was granted in April 1923<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> and Alameda County voters approved a $5 million bond measure in May to build the tube.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>After the passage of the bond issue, test borings were taken in the Estuary, and bids were received for the work on March 23, 1925; the construction contract was awarded to the California Bridge and Tunnel Company (CB&TC) with a low bid of <span style="white-space: nowrap">US$3,882,958</span> (equivalent to $67,460,000 in 2023), and excavation started from the Oakland end on June 15, 1925. The contract was let by Alameda County without state involvement.<sup id="cite_ref-Baker-26_14-2" class="reference"><a href="#cite_note-Baker-26-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>The Posey Tube, completed and opened to traffic on October 27, 1928, was named after <a href="/w/index.php?title=George_Posey&action=edit&redlink=1" class="new" title="George Posey (page does not exist)">George Posey</a>,<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> who was the <a href="/wiki/Alameda_County,_California" title="Alameda County, California">Alameda County</a> Surveyor during the tunnel's planning and construction, and also chief engineer on the construction project.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-CEJ-19281212_25-0" class="reference"><a href="#cite_note-CEJ-19281212-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> It is the first tunnel for road traffic built using the immersed tube technique.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 268">: 268 </span></sup> However, the two-lane tube was considered inadequate shortly after completion; in a 1952 letter from <a href="/wiki/Frank_Osborne_(California_politician)" title="Frank Osborne (California politician)">Frank Osborne</a>, mayor of Alameda, to Lloyd Harmon, mayor of <a href="/wiki/Coronado,_California" title="Coronado, California">Coronado</a>, which was considering a similar tunnel to <a href="/wiki/San_Diego" title="San Diego">San Diego</a>, Osborne stated "from the time it was completed the tube was never adequate for the purpose for which it was built ... I am firmly of the belief that the building of any underwater tube of less than four lanes—two in each direction—would be a serious mistake on the part of any engineers who contemplate it." In 1952, the Posey Tube was handling 30,000 to 36,000 cars per day.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Design">Design</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=3" title="Edit section: Design"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The ventilation buildings that house the exhaust and fresh air fans are built in an art deco style;<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> local architect <a href="/w/index.php?title=Henry_H._Meyers&action=edit&redlink=1" class="new" title="Henry H. Meyers (page does not exist)">Henry H. Meyers</a> is credited with the design of both portals.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> The design of the ventilation system to handle toxic vehicular exhaust fumes was modeled on that of the <a href="/wiki/Holland_Tunnel" title="Holland Tunnel">Holland Tunnel</a>'s ventilation system, and <a href="/wiki/Ole_Singstad" title="Ole Singstad">Ole Singstad</a> (who had designed the pioneering ventilation system of the Holland Tunnel) consulted.<sup id="cite_ref-SSC191202_30-0" class="reference"><a href="#cite_note-SSC191202-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> A pair of <a href="/wiki/Domestic_canary" title="Domestic canary">canaries</a> were used during construction as <a href="/wiki/Sentinel_species#Toxic_gases" title="Sentinel species">living air monitors</a>; although one canary died during construction, it was an accident caused by being penned up with a pet <a href="/wiki/Cat" title="Cat">cat</a> and not a toxic atmosphere.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Up to that time, tunnels had been vented longitudinally, with fresh air blown in one end and out the other; the Holland (and Posey) Tube instead used fans to supply air into the tunnel through a space beneath the roadway, and exhausted air through a similar space above the traffic portion. Ducts were set in the curb and ceiling approximately every 15 feet (4.6 m) along the length of the Posey Tube, providing a system of "transverse" ventilation, bottom-to-top rather than end-to-end, ensuring that any fires would not spread through the length of the tunnel.<sup id="cite_ref-UP-1928_32-0" class="reference"><a href="#cite_note-UP-1928-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Webster_Street_tube_cross-section_(typ).svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Webster_Street_tube_cross-section_%28typ%29.svg/220px-Webster_Street_tube_cross-section_%28typ%29.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Webster_Street_tube_cross-section_%28typ%29.svg/330px-Webster_Street_tube_cross-section_%28typ%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Webster_Street_tube_cross-section_%28typ%29.svg/440px-Webster_Street_tube_cross-section_%28typ%29.svg.png 2x" data-file-width="400" data-file-height="400" /></a><figcaption>Typical section of Webster Street Tube; Posey Tube sections are similar.</figcaption></figure> <p>It was the first precast concrete tube to be constructed, assembled from 12 large segments. The concrete tube was protected from leaks through insulation and coverings applied to the outer surface.<sup id="cite_ref-UP-1928_32-1" class="reference"><a href="#cite_note-UP-1928-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> Each segment was cast at <a href="/wiki/Hunters_Point_Naval_Shipyard" title="Hunters Point Naval Shipyard">Hunters Point</a> by CB&TC. After they were completed, the segments were sealed and the space beneath the roadway was filled with water as ballast while floating each segment into position; when ready, wet sand was added to the roadway to sink the segment into a dredged underwater trench. Once the joint to the prior segment had been sealed, the water ballast was pumped out and the process was repeated for the next segment.<sup id="cite_ref-CEJ-19281114_33-0" class="reference"><a href="#cite_note-CEJ-19281114-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p><p>Including the approaches at each end, the Posey Tube is 4,436 feet (1,352 m) long;<sup id="cite_ref-CEJ-19281212_25-1" class="reference"><a href="#cite_note-CEJ-19281212-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> the tunnel portion itself is 3,545 feet (1,081 m) long.<sup id="cite_ref-CEJ-19281114_33-1" class="reference"><a href="#cite_note-CEJ-19281114-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> Each segment is 203 feet (62 m) long and 37 feet (11 m) in diameter, and weighs approximately 5,000 short tons (4,500 t).<sup id="cite_ref-CEJ-19281114_33-2" class="reference"><a href="#cite_note-CEJ-19281114-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> The walls of the tube are <style data-mw-deduplicate="TemplateStyles:r1154941027">.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="frac">2<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">2</span></span> feet (0.76 m) thick.<sup id="cite_ref-Baker-26_14-3" class="reference"><a href="#cite_note-Baker-26-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> From Oakland, the approach extends from Sixth Street to Third Street along Harrison Street.<sup id="cite_ref-CEJ-19281114_33-3" class="reference"><a href="#cite_note-CEJ-19281114-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> The maximum grade within the Posey Tube is 4.59%.<sup id="cite_ref-Baker-26_14-4" class="reference"><a href="#cite_note-Baker-26-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Webster_Street_Tube">Webster Street Tube</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=4" title="Edit section: Webster Street Tube"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Webster_Tube,_Oakland.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Webster_Tube%2C_Oakland.jpg/260px-Webster_Tube%2C_Oakland.jpg" decoding="async" width="260" height="195" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Webster_Tube%2C_Oakland.jpg/390px-Webster_Tube%2C_Oakland.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Webster_Tube%2C_Oakland.jpg/520px-Webster_Tube%2C_Oakland.jpg 2x" data-file-width="2592" data-file-height="1944" /></a><figcaption>Webster Street Tube entrance in Oakland</figcaption></figure> <p>The Webster Street Tube was constructed west of and parallel to the Posey Tube to accommodate increased traffic between Oakland and Alameda and to address the deficiencies of the original design, a single tube with only two lanes. In 1941, "final negotiations" were being made for a second tube,<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> and plans for a second tube at Webster Street had been advanced in 1948 as part of a <a href="/wiki/Southern_Crossing_(California)#Parallel_Bridge" title="Southern Crossing (California)">Parallel Bridge</a> scheme. The Parallel Bridge was one of the "Southern Crossing" designs which would have added another trans-Bay bridge south of the 1936 <a href="/wiki/San_Francisco%E2%80%93Oakland_Bay_Bridge" title="San Francisco–Oakland Bay Bridge">San Francisco–Oakland Bay Bridge</a>.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p><p>Construction began on October 12, 1959.<sup id="cite_ref-CHPW-60_37-0" class="reference"><a href="#cite_note-CHPW-60-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> To prepare the Alameda site, a large Navy hangar was moved; at the time, it set a record for the largest building ever moved.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> The Webster Street Tube was completed and opened to one-way (into Alameda) traffic in 1963.<sup id="cite_ref-CHPW-63_39-0" class="reference"><a href="#cite_note-CHPW-63-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> Upon completion of the Webster Street Tube, the Posey Tube was closed temporarily and renovations were performed to convert it to one-way (into Oakland) traffic; during renovations, the Webster Street Tube handled bidirectional traffic.<sup id="cite_ref-CHPW-630506_40-0" class="reference"><a href="#cite_note-CHPW-630506-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </p><p>Like the preceding Posey Tube, the Webster Street Tube was constructed using immersed precast concrete segments; this time the twelve Webster segments were constructed in a <a href="/wiki/Graving_dock" class="mw-redirect" title="Graving dock">graving dock</a> built on Alameda. Divers were used to ensure each segment landed in the surveyed location. Piles were driven to support each segment, but the piles were designed to collapse after an additional 600 short tons (540 t) of ballast were added, to ensure the segments rested firmly on a bed of packed sand. Construction of the Webster Street Tube started from the Alameda end and progressed towards Oakland, with the precast segments set before additional cast-in-place segments were added at each end.<sup id="cite_ref-CHPW-60_37-1" class="reference"><a href="#cite_note-CHPW-60-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> </p><p>Each of the Webster segments were of comparable size and configuration to the earlier Posey Tube segments, measuring 200 feet (61 m) long and 37 feet (11 m) in diameter, with walls <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1154941027"><span class="frac">2<span class="sr-only">+</span><span class="num">1</span>⁄<span class="den">2</span></span> feet (0.76 m) thick.<sup id="cite_ref-CHPW-60_37-2" class="reference"><a href="#cite_note-CHPW-60-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> However, the Webster segments were equipped with rectangular collars 45 ft × 43 ft (14 m × 13 m) (W×H) at each end, and weighed more, approximately 5,700 short tons (5,200 t) each.<sup id="cite_ref-CHPW-61_41-0" class="reference"><a href="#cite_note-CHPW-61-41"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> The roadway within the Webster Street Tube is 24 feet (7.3 m) wide, and the minimum vertical clearance is <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1154941027">15 ft <span class="frac">1<span class="sr-only">+</span><span class="num">3</span>⁄<span class="den">8</span></span> in (4.607 m).<sup id="cite_ref-CHPW-60_37-3" class="reference"><a href="#cite_note-CHPW-60-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> Including approaches, the Webster Street Tube is 5,923 feet (1,805 m) long,<sup id="cite_ref-CHPW-630506_40-1" class="reference"><a href="#cite_note-CHPW-630506-40"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> of which 3,350 feet (1,020 m) are underwater.<sup id="cite_ref-CHPW-620506_42-0" class="reference"><a href="#cite_note-CHPW-620506-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> </p><p>A novel fluorescent continuous-line lighting system was designed for the Webster Street Tube.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> Fresh air is supplied through the lower <a href="/wiki/Lunette" title="Lunette">lunette</a> space beneath the roadway, and exhaust is drawn through the upper lunette space above the tube's false ceiling. Each portal building contains four blowers and four exhaust fans, and they are capable of providing nearly 1,000,000 cu ft/min (470 m<sup>3</sup>/s) of airflow in total.<sup id="cite_ref-CHPW-60_37-4" class="reference"><a href="#cite_note-CHPW-60-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> Nearly the entire interior surface of the Webster Street Tube is tiled.<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup> </p><p>The Webster Street Tube project cost more than $20 million in total,<sup id="cite_ref-CHPW-620506_42-1" class="reference"><a href="#cite_note-CHPW-620506-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> including renovations to the older Posey Tube; the construction contract for Webster was <span style="white-space: nowrap">US$17,363,000</span> (equivalent to $172,800,000 in 2023) alone.<sup id="cite_ref-CHPW-620506_42-2" class="reference"><a href="#cite_note-CHPW-620506-42"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="In_media">In media</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=5" title="Edit section: In media"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>A scene from <i><a href="/wiki/THX-1138" class="mw-redirect" title="THX-1138">THX-1138</a></i>, the first film directed by <a href="/wiki/George_Lucas" title="George Lucas">George Lucas</a>, was shot in the Tube.<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup></li> <li>A chase scene of 2003 film <a href="/wiki/Matrix_Reloaded" class="mw-redirect" title="Matrix Reloaded">Matrix Reloaded</a> takes place in the Webster Tube.</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFBaughn" class="citation web cs1">Baughn, James. <a rel="nofollow" class="external text" href="https://bridgehunter.com/ca/alameda/bh44814/">"Posey Tube"</a>. <i>Bridgehunter</i><span class="reference-accessdate">. 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Archived from <a rel="nofollow" class="external text" href="https://archiver.rootsweb.ancestry.com/th/read/NORWAY/2003-05/1051983030">the original</a> on September 26, 2015.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Saga+in+Steel+and+Concrete%3A+Norwegian+Engineers+in+America&rft.pages=191-202&rft.pub=Norwegian-American+Historical+Association&rft.date=1947&rft.au=Bjork%2C+Kenneth+O.&rft_id=http%3A%2F%2Farchiver.rootsweb.ancestry.com%2Fth%2Fread%2FNORWAY%2F2003-05%2F1051983030&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></span> </li> <li id="cite_note-31"><span class="mw-cite-backlink"><b><a href="#cite_ref-31">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://cdnc.ucr.edu/?a=d&d=MT19280315.2.4">"Big Tube Near Completion"</a>. <i>Madera Tribune</i>. 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Retrieved <span class="nowrap">2 May</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Coronado+Eagle+and+Journal&rft.atitle=Setting+forth+merits+of+the+vehicular+tube&rft.date=1928-11-14&rft.au=Byron%2C+Wm.+C.&rft_id=https%3A%2F%2Fcdnc.ucr.edu%2Fcgi-bin%2Fcdnc%3Fa%3Dd%26d%3DCJ19281114.2.16&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://cdnc.ucr.edu/?a=d&d=SN19270507.2.57">"Oakland Estuary Tube Nears Completion"</a>. <i>Sausalito News</i>. May 7, 1927<span class="reference-accessdate">. Retrieved <span class="nowrap">9 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Sausalito+News&rft.atitle=Oakland+Estuary+Tube+Nears+Completion&rft.date=1927-05-07&rft_id=https%3A%2F%2Fcdnc.ucr.edu%2F%3Fa%3Dd%26d%3DSN19270507.2.57&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><b><a href="#cite_ref-35">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation news cs1"><a rel="nofollow" class="external text" href="https://cdnc.ucr.edu/?a=d&d=MT19410912.2.28">"New Oakland Estuary Tube to Be sought"</a>. <i>Madera Tribune</i>. September 12, 1941<span class="reference-accessdate">. Retrieved <span class="nowrap">10 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Madera+Tribune&rft.atitle=New+Oakland+Estuary+Tube+to+Be+sought&rft.date=1941-09-12&rft_id=https%3A%2F%2Fcdnc.ucr.edu%2F%3Fa%3Dd%26d%3DMT19410912.2.28&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-36">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation magazine cs1"><a rel="nofollow" class="external text" href="https://archive.org/details/californiahighwa194849calirich/page/n231/">"Bay Crossings Report"</a>. <i>California Highways and Public Works</i>. Vol. 27, no. 11–12. Division of Highways, Department of Public Works, State of California. November–December 1948. p. 5.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Bay+Crossings+Report&rft.volume=27&rft.issue=11%E2%80%9312&rft.pages=5&rft.date=1948-11%2F1948-12&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcaliforniahighwa194849calirich%2Fpage%2Fn231%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/Californiahighways/chpw_1948_novdec.pdf#page=7">Alternate URL</a></span> </li> <li id="cite_note-CHPW-60-37"><span class="mw-cite-backlink">^ <a href="#cite_ref-CHPW-60_37-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CHPW-60_37-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-CHPW-60_37-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-CHPW-60_37-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-CHPW-60_37-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFParker,_P.E.Whitlock,_H.J.1960" class="citation magazine cs1">Parker, P.E.; Whitlock, H.J. (March–April 1960). <a rel="nofollow" class="external text" href="https://archive.org/details/cavol3940liforniahigh6061wa00calirich/page/n91">"Webster St. Tube"</a>. <i>California Highways and Public Works</i>. Vol. 39, no. 3–4. Division of Highways, Department of Public Works, State of California. pp. 11–12, 67.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Webster+St.+Tube&rft.volume=39&rft.issue=3%E2%80%934&rft.pages=11-12%2C+67&rft.date=1960-03%2F1960-04&rft.au=Parker%2C+P.E.&rft.au=Whitlock%2C+H.J.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcavol3940liforniahigh6061wa00calirich%2Fpage%2Fn91&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/Californiahighways/chpw_1960_marapr.pdf#page=13">Alternate URL</a></span> </li> <li id="cite_note-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-38">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation magazine cs1"><a rel="nofollow" class="external text" href="https://archive.org/details/cavol3738liforniahighwa195859calirich/page/42/">"Record Move"</a>. <i>California Highways and Public Works</i>. Vol. 38, no. 11–12. Division of Highways, Department of Public Works, State of California. November–December 1959. pp. 42–43.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Record+Move&rft.volume=38&rft.issue=11%E2%80%9312&rft.pages=42-43&rft.date=1959-11%2F1959-12&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcavol3738liforniahighwa195859calirich%2Fpage%2F42%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></span> </li> <li id="cite_note-CHPW-63-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-CHPW-63_39-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNames,_W.C.Wolfson,_William_F.1963" class="citation magazine cs1">Names, W.C.; Wolfson, William F. (March–April 1963). <a rel="nofollow" class="external text" href="https://archive.org/details/cvol4142alifornia196263hiwacalirich/page/n531">"Webster St. Tube"</a>. <i>California Highways and Public Works</i>. Vol. 42, no. 3–4. Division of Highways, Department of Public Works, State of California. pp. 10–14.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Webster+St.+Tube&rft.volume=42&rft.issue=3%E2%80%934&rft.pages=10-14&rft.date=1963-03%2F1963-04&rft.au=Names%2C+W.C.&rft.au=Wolfson%2C+William+F.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcvol4142alifornia196263hiwacalirich%2Fpage%2Fn531&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/Californiahighways/chpw_1963_marapr.pdf">Alternate URL</a></span> </li> <li id="cite_note-CHPW-630506-40"><span class="mw-cite-backlink">^ <a href="#cite_ref-CHPW-630506_40-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CHPW-630506_40-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSinclair,_J.P.1963" class="citation magazine cs1">Sinclair, J.P. (May–June 1963). <a rel="nofollow" class="external text" href="https://archive.org/details/cvol4142alifornia196263hiwacalirich/page/n637/">"Bay Area Report—1963"</a>. <i>California Highways and Public Works</i>. Vol. 42, no. 5–7. Division of Highways, Department of Public Works, State of California. p. 28;32–33.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Bay+Area+Report%E2%80%941963&rft.volume=42&rft.issue=5%E2%80%937&rft.pages=28%3B32-33&rft.date=1963-05%2F1963-06&rft.au=Sinclair%2C+J.P.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcvol4142alifornia196263hiwacalirich%2Fpage%2Fn637%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/Californiahighways/chpw_1963_mayjun.pdf#page=34">Alternate URL</a></span> </li> <li id="cite_note-CHPW-61-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-CHPW-61_41-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGreene,_George_A.Pomeroy,_E.G.1961" class="citation magazine cs1">Greene, George A.; Pomeroy, E.G. (January–February 1961). <a rel="nofollow" class="external text" href="https://archive.org/details/cavol3940liforniahigh6061wa00calirich/page/n493/">"Tube Report"</a>. <i>California Highways and Public Works</i>. Vol. 40, no. 1–2. Division of Highways, Department of Public Works, State of California. pp. 25–31.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Tube+Report&rft.volume=40&rft.issue=1%E2%80%932&rft.pages=25-31&rft.date=1961-01%2F1961-02&rft.au=Greene%2C+George+A.&rft.au=Pomeroy%2C+E.G.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcavol3940liforniahigh6061wa00calirich%2Fpage%2Fn493%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/Californiahighways/chpw_1961_janfeb.pdf#page=27">Alternate URL</a></span> </li> <li id="cite_note-CHPW-620506-42"><span class="mw-cite-backlink">^ <a href="#cite_ref-CHPW-620506_42-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CHPW-620506_42-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-CHPW-620506_42-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSinclair,_J.P.1962" class="citation magazine cs1">Sinclair, J.P. 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Division of Highways, Department of Public Works, State of California. p. 14.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Bay+Area+Report&rft.volume=41&rft.issue=5%E2%80%937&rft.pages=14&rft.date=1962-05%2F1962-06&rft.au=Sinclair%2C+J.P.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcvol4142alifornia196263hiwacalirich%2Fpage%2Fn187&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/Californiahighways/chpw_1962_mayjun.pdf#page=16">Alternate URL</a></span> </li> <li id="cite_note-43"><span class="mw-cite-backlink"><b><a href="#cite_ref-43">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSkootsky,_HaroldBrass,_John_R.1959" class="citation magazine cs1">Skootsky, Harold; Brass, John R. 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Division of Highways, Department of Public Works, State of California. pp. 43–46, 53.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Tunnel+Lighting&rft.volume=38&rft.issue=9%E2%80%9310&rft.pages=43-46%2C+53&rft.date=1959-09%2F1959-10&rft.au=Skootsky%2C+Harold&rft.au=Brass%2C+John+R.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcavol3738liforniahighwa195859calirich%2Fpage%2Fn663%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></span> </li> <li id="cite_note-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-44">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSundahl,_Carl1961" class="citation news cs1">Sundahl, Carl (August 14, 1961). <a rel="nofollow" class="external text" href="https://cdnc.ucr.edu/?a=d&d=OLSF19610814.2.23">"Tile Layers 19 Notes"</a>. <i>Organized Labor</i><span class="reference-accessdate">. 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November–December 1961. p. 56.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+Highways+and+Public+Works&rft.atitle=Bridges&rft.volume=40&rft.issue=11%E2%80%9312&rft.pages=56&rft.date=1961-11%2F1961-12&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcavol3940liforniahigh6061wa00calirich%2Fpage%2F56%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span> <a rel="nofollow" class="external text" href="http://libraryarchives.metro.net/DPGTL/Californiahighways/chpw_1961_novdec.pdf#page=58">Alternate URL</a></span> </li> <li id="cite_note-46"><span class="mw-cite-backlink"><b><a href="#cite_ref-46">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://bampfa.org/event/thx-1138">"THX 1138"</a>. Berkeley Art Museum and Pacific Film Archive<span class="reference-accessdate">. Retrieved <span class="nowrap">10 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=THX+1138&rft.pub=Berkeley+Art+Museum+and+Pacific+Film+Archive&rft_id=https%3A%2F%2Fbampfa.org%2Fevent%2Fthx-1138&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Further_reading">Further reading</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=7" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20060618125542/http://www.alamedainfo.com/Posey_Tube.htm">Posey Tube and Webster Street Tube at AlamedaInfo.com by Gary Lenhart</a> (includes detailed timeline and historical photographs)</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBjork1947" class="citation cs2">Bjork, Kenneth (1947), <a rel="nofollow" class="external text" href="http://www.naha.stolaf.edu/"><i>Saga in Steel and Concrete: Norwegian Engineers in America</i></a>, Norwegian-American Historical Association</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Saga+in+Steel+and+Concrete%3A+Norwegian+Engineers+in+America&rft.pub=Norwegian-American+Historical+Association&rft.date=1947&rft.aulast=Bjork&rft.aufirst=Kenneth&rft_id=http%3A%2F%2Fwww.naha.stolaf.edu%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></li> <li><i>Methods Used in the Construction of Twelve Pre-cast Concrete Segments for the Alameda County, California, Estuary Subway</i>, in <a href="/wiki/American_Society_of_Civil_Engineers" title="American Society of Civil Engineers">American Society of Civil Engineers</a>, Proceedings, 53 (2) : 2675–2692 (December, 1927)</li> <li>S. W. Gibbs,<i>Construction Methods on Oakland Estuary Tube</i>, in <a href="/wiki/Engineering_News_Record" class="mw-redirect" title="Engineering News Record">Engineering News Record</a>, 100:100–105 (January 19, 1928)</li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLortie,_Frank1995" class="citation journal cs1">Lortie, Frank (1995). "A Monument to Progress: The Posey Tube and the East Bay's Transition to the Age of the Automobile". <i>California History</i>. <b>74</b> (4): 422–433. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.2307%2F25177536">10.2307/25177536</a>. <a href="/wiki/JSTOR_(identifier)" class="mw-redirect" title="JSTOR (identifier)">JSTOR</a> <a rel="nofollow" class="external text" href="https://www.jstor.org/stable/25177536">25177536</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=California+History&rft.atitle=A+Monument+to+Progress%3A+The+Posey+Tube+and+the+East+Bay%27s+Transition+to+the+Age+of+the+Automobile&rft.volume=74&rft.issue=4&rft.pages=422-433&rft.date=1995&rft_id=info%3Adoi%2F10.2307%2F25177536&rft_id=https%3A%2F%2Fwww.jstor.org%2Fstable%2F25177536%23id-name%3DJSTOR&rft.au=Lortie%2C+Frank&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Posey_and_Webster_Street_Tubes&action=edit&section=8" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Posey_and_Webster_Street_Tubes" class="extiw" title="commons:Category:Posey and Webster Street Tubes">Posey and Webster Street Tubes</a></span>.</div></div> </div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://collections.museumca.org/?q=taxonomy/term/12349">"Posey Tube, photographs"</a>. Oakland Museum of California.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Posey+Tube%2C+photographs&rft.pub=Oakland+Museum+of+California&rft_id=http%3A%2F%2Fcollections.museumca.org%2F%3Fq%3Dtaxonomy%2Fterm%2F12349&rfr_id=info%3Asid%2Fen.wikipedia.org%3APosey+and+Webster+Street+Tubes" class="Z3988"></span></li> <li><i>Building Big</i> David Macauley <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-395-96331-1" title="Special:BookSources/0-395-96331-1">0-395-96331-1</a> A companion to <a href="/wiki/PBS" title="PBS">PBS</a> television series Building Big series PAGES 76–77 explain ventilation system for <a href="/wiki/Holland_Tunnel" title="Holland Tunnel">Holland Tunnel</a></li></ul> <div class="navbox-styles"><style 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Tubes</b><br /><span typeof="mw:File"><a href="/wiki/File:California_61.svg" class="mw-file-description" title="State Route 61"><img alt="State Route 61" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/California_61.svg/20px-California_61.svg.png" decoding="async" width="20" height="21" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/California_61.svg/30px-California_61.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/California_61.svg/40px-California_61.svg.png 2x" data-file-width="385" data-file-height="401" /></a></span></td> <td width="33%"><b>North</b><br />None<br /> </td> </tr></tbody></table></div></td></tr></tbody></table></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist 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School</a></li></ul></li> <li><a href="/wiki/The_Crucible_(arts_education_center)" title="The Crucible (arts education center)">The Crucible</a></li> <li><a href="/wiki/Bishop_O%27Dowd_High_School" title="Bishop O'Dowd High School">Bishop O'Dowd High School</a></li> <li><a href="/wiki/The_College_Preparatory_School" title="The College Preparatory School">The College Preparatory School</a></li> <li><a href="/wiki/Head-Royce_School" title="Head-Royce School">Head-Royce School</a></li> <li><a href="/wiki/Oakland_School_for_the_Arts" title="Oakland School for the Arts">Oakland School for the Arts</a></li> <li><a href="/wiki/St._Elizabeth_High_School_(Oakland,_California)" title="St. Elizabeth High School (Oakland, California)">St. Elizabeth High School</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Government</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_mayors_of_Oakland,_California" title="List of mayors of Oakland, California">Mayors</a></li> <li><a href="/wiki/Oakland_City_Hall" title="Oakland City Hall">City Hall</a></li> <li><a href="/wiki/Oakland_City_Council" title="Oakland City Council">City Council</a></li> <li><a href="/wiki/Oakland_Fire_Department" title="Oakland Fire Department">Fire Department</a></li> <li><a href="/wiki/Oakland_Police_Department" title="Oakland Police Department">Police Department</a></li> <li><a href="/wiki/Port_of_Oakland" title="Port of Oakland">Port of Oakland</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">History<br />(<a href="/wiki/Timeline_of_Oakland,_California_history" class="mw-redirect" title="Timeline of Oakland, California history">Timeline</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oakland_Railroad_Company" title="Oakland Railroad Company">Oakland Railroad Company</a></li> <li><a href="/wiki/Oakland_Army_Base" title="Oakland Army Base">Oakland Army Base</a></li> <li><a href="/wiki/Key_System" title="Key System">Key System</a></li> <li><a href="/wiki/Naval_Supply_Depot,_Oakland" class="mw-redirect" title="Naval Supply Depot, Oakland">Naval Supply Depot</a></li> <li><a href="/wiki/Black_Panther_Party" title="Black Panther Party">Black Panther Party</a></li> <li><a href="/wiki/1989_Loma_Prieta_earthquake" title="1989 Loma Prieta earthquake">1989 Loma Prieta earthquake</a></li> <li><a href="/wiki/Oakland_firestorm_of_1991" title="Oakland firestorm of 1991">Firestorm of 1991</a></li> <li><a href="/wiki/BART_Police_shooting_of_Oscar_Grant" class="mw-redirect" title="BART Police shooting of Oscar Grant">Oscar Grant shooting</a></li> <li><a href="/wiki/2009_shootings_of_Oakland_police_officers" title="2009 shootings of Oakland police officers">Shootings of police officers</a></li> <li><a href="/wiki/Allen_v._City_of_Oakland" title="Allen v. City of Oakland">Riders scandal</a></li> <li><a href="/wiki/Your_Black_Muslim_Bakery" title="Your Black Muslim Bakery">Your Black Muslim Bakery</a></li> <li><a href="/wiki/Occupy_Oakland" title="Occupy Oakland">Occupy Oakland</a></li> <li><i><a href="/wiki/Oakland_Tribune" title="Oakland Tribune">Oakland Tribune</a></i></li> <li><a href="/wiki/2012_Oikos_University_shooting" title="2012 Oikos University shooting">2012 Oikos University shooting</a></li> <li><a href="/wiki/Ghost_Ship_warehouse_fire" title="Ghost Ship warehouse fire">Ghost Ship warehouse fire</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Sports</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Oakland_Ballers" title="Oakland Ballers">Oakland Ballers</a></li> <li><a href="/wiki/Oakland_Roots_SC" title="Oakland Roots SC">Oakland Roots SC</a></li> <li><a href="/wiki/Oakland_Spiders" title="Oakland Spiders">Oakland Spiders</a></li> <li>Former <ul><li><a href="/wiki/California_Golden_Seals" title="California Golden Seals">California Golden Seals</a></li> <li><a href="/wiki/Golden_State_Warriors" title="Golden State Warriors">Golden State Warriors</a></li> <li><a href="/wiki/Oakland_Athletics" title="Oakland Athletics">Oakland Athletics</a></li> <li><a href="/wiki/Oakland_Raiders" title="Oakland Raiders">Oakland Raiders</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Transportation</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/San_Francisco%E2%80%93Oakland_Bay_Bridge" title="San Francisco–Oakland Bay Bridge">San Francisco–Oakland Bay Bridge</a></li> <li><a href="/wiki/California_State_Route_24" title="California State Route 24">SR 24</a> <ul><li><a href="/wiki/Caldecott_Tunnel" title="Caldecott Tunnel">Caldecott Tunnel</a></li></ul></li> <li><a class="mw-selflink selflink">Posey and Webster Street Tubes</a></li> <li><a href="/wiki/MacArthur_Maze" title="MacArthur Maze">MacArthur Maze</a></li> <li><a href="/wiki/Interstate_580_(California)" title="Interstate 580 (California)">Interstate 580</a></li> <li><a href="/wiki/Interstate_880_(California)" title="Interstate 880 (California)">Interstate 880</a> <ul><li><a href="/wiki/Cypress_Street_Viaduct" title="Cypress Street Viaduct">Cypress Street Viaduct</a></li></ul></li> <li><a href="/wiki/Interstate_980" title="Interstate 980">Interstate 980</a></li> <li><a href="/wiki/California_State_Route_13" title="California State Route 13">Warren Freeway</a></li> <li><a href="/wiki/International_Boulevard_(Oakland,_California)" title="International Boulevard (Oakland, California)">International Boulevard</a></li> <li><a href="/wiki/Oakland_%E2%80%93_Jack_London_Square_station" class="mw-redirect" title="Oakland – Jack London Square station">Oakland – Jack London Square station</a></li> <li><a href="/wiki/Oakland_International_Airport" title="Oakland International Airport">Oakland International Airport</a></li> <li><a href="/wiki/AC_Transit" title="AC Transit">AC Transit</a></li> <li><a href="/wiki/Eastmont_Town_Center" title="Eastmont Town Center">Eastmont Transit Center</a></li></ul> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="BART_stations" scope="row" class="navbox-group" style="background: #FCC200;;width:1%"><a href="/wiki/Bay_Area_Rapid_Transit" title="Bay Area Rapid Transit">BART</a> stations</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/12th_Street_Oakland_City_Center_station" title="12th Street Oakland City Center station">12th Street Oakland City Center</a></li> <li><a href="/wiki/19th_Street_Oakland_station" title="19th Street Oakland station">19th Street Oakland</a> (Uptown Transit Center)</li> <li><a href="/wiki/Oakland_Coliseum_station" title="Oakland Coliseum station">Coliseum</a></li> <li><a href="/wiki/Lake_Merritt_station" title="Lake Merritt station">Lake Merritt</a></li> <li><a href="/wiki/MacArthur_station_(BART)" title="MacArthur station (BART)">MacArthur</a></li> <li><a href="/wiki/Oakland_International_Airport_station" title="Oakland International Airport station">OAK</a></li> <li><a href="/wiki/Rockridge_station" title="Rockridge station">Rockridge</a></li> <li><a href="/wiki/West_Oakland_station" title="West Oakland station">West Oakland</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_Oakland_Designated_Landmarks" title="List of Oakland Designated Landmarks">Designated Landmarks</a></li> <li><a href="/wiki/List_of_neighborhoods_in_Oakland,_California" title="List of neighborhoods in Oakland, California">Neighborhoods</a></li> <li><a href="/wiki/List_of_people_from_Oakland,_California" title="List of people from Oakland, California">Notable people</a></li> <li><a href="/wiki/List_of_tallest_buildings_in_Oakland,_California" title="List of tallest buildings in Oakland, California">Tallest buildings</a></li> <li><a href="/wiki/Children%27s_Hospital_Oakland" title="Children's Hospital Oakland">Children's Hospital</a></li> <li><a href="/wiki/Mountain_View_Cemetery_(Oakland,_California)" title="Mountain View Cemetery (Oakland, California)">Mountain View Cemetery</a></li> <li><a href="/wiki/Lake_Merritt" title="Lake Merritt">Lake Merritt</a></li> <li><a href="/wiki/Temescal_Creek_(Northern_California)" title="Temescal Creek (Northern California)">Temescal Creek</a></li> <li><a href="/wiki/Sausal_Creek_(Alameda_County,_California)" class="mw-redirect" title="Sausal Creek (Alameda County, California)">Sausal Creek</a></li> <li><a href="/wiki/Crime_in_Oakland,_California" title="Crime in Oakland, California">Crime</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alameda_County,_California" title="Alameda County, California">Alameda County</a></li> <li><a href="/wiki/San_Francisco_Bay_Area" title="San Francisco Bay Area">San Francisco Bay Area</a></li> <li><a href="/wiki/California" title="California">California</a></li> <li><a href="/wiki/United_States" title="United States">United States</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="2" style="background: #FCC200;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Oakland,_California" title="Category:Oakland, California">Category</a></b></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"></div><div role="navigation" class="navbox" aria-labelledby="San_Francisco_Bay_watershed" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3" style="background: #FCC200;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:San_Francisco_Bay_watershed" title="Template:San Francisco Bay watershed"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:San_Francisco_Bay_watershed" title="Template talk:San Francisco Bay watershed"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:San_Francisco_Bay_watershed" title="Special:EditPage/Template:San Francisco Bay watershed"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="San_Francisco_Bay_watershed" style="font-size:114%;margin:0 4em"><a href="/wiki/San_Francisco_Bay" title="San Francisco Bay">San Francisco Bay</a> <a href="/wiki/Drainage_basin" title="Drainage basin">watershed</a></div></th></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Outline</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hydrography_of_the_San_Francisco_Bay_Area" title="Hydrography of the San Francisco Bay Area">Hydrography</a></li> <li><a href="/wiki/Ecology_of_the_San_Francisco_Estuary" title="Ecology of the San Francisco Estuary">Ecology</a></li> <li><a href="/wiki/List_of_watercourses_in_the_San_Francisco_Bay_Area#San_Francisco_Bay_and_its_tributaries" title="List of watercourses in the San Francisco Bay Area">List of tributaries</a></li> <li><a href="/wiki/List_of_lakes_in_the_San_Francisco_Bay_Area" class="mw-redirect" title="List of lakes in the San Francisco Bay Area">List of lakes</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="10" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:BayareaUSGS.jpg" class="mw-file-description" title="San Francisco Bay"><img alt="San Francisco Bay" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/BayareaUSGS.jpg/100px-BayareaUSGS.jpg" decoding="async" width="100" height="104" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/BayareaUSGS.jpg/150px-BayareaUSGS.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/BayareaUSGS.jpg/200px-BayareaUSGS.jpg 2x" data-file-width="769" data-file-height="798" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Subdivisions</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <dl><dt><span class="nobold">Major</span></dt> <dd><a href="/wiki/San_Francisco_Bay" title="San Francisco Bay">San Francisco Bay</a></dd> <dd><a href="/wiki/Suisun_Bay" title="Suisun Bay">Suisun Bay</a></dd> <dd><a href="/wiki/San_Pablo_Bay" title="San Pablo Bay">San Pablo Bay</a></dd> <dt><span class="nobold">Minor</span></dt> <dd><a href="/wiki/Golden_Gate" title="Golden Gate">Golden Gate</a></dd> <dd><a href="/wiki/Grizzly_Bay" title="Grizzly Bay">Grizzly Bay</a></dd> <dd><a href="/wiki/Richardson_Bay" title="Richardson Bay">Richardson Bay</a></dd> <dd><a href="/wiki/San_Rafael_Bay" title="San Rafael Bay">San Rafael Bay</a></dd> <dd><a href="/wiki/Richmond_Inner_Harbor" title="Richmond Inner Harbor">Richmond Inner Harbor</a></dd> <dd><a href="/wiki/San_Leandro_Bay" title="San Leandro Bay">San Leandro Bay</a></dd> <dt><span class="nobold">Former</span></dt> <dd><a href="/wiki/Yerba_Buena_Cove" title="Yerba Buena Cove">Yerba Buena Cove</a></dd> <dd><a href="/wiki/Mission_Bay_(San_Francisco)" title="Mission Bay (San Francisco)">Mission Bay</a></dd></dl> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Waterways</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <dl><dt><span class="nobold">Rivers</span></dt> <dd><a href="/wiki/San_Joaquin_River" title="San Joaquin River">San Joaquin</a></dd> <dd><a href="/wiki/Sacramento_River" title="Sacramento River">Sacramento</a></dd> <dd><a href="/wiki/Napa_River" title="Napa River">Napa</a></dd> <dd><a href="/wiki/Guadalupe_River_(California)" title="Guadalupe River (California)">Guadalupe</a></dd> <dd><a href="/wiki/Petaluma_River" title="Petaluma River">Petaluma</a></dd> <dt><span class="nobold">Creeks (discharging into the Bay)</span></dt> <dd><a href="/wiki/Alameda_Creek" title="Alameda Creek">Alameda</a></dd> <dd><a href="/wiki/Baxter_Creek" title="Baxter Creek">Baxter</a></dd> <dd><a href="/wiki/Cerrito_Creek" title="Cerrito Creek">Cerrito</a></dd> <dd><a href="/wiki/Codornices_Creek" title="Codornices Creek">Codornices</a></dd> <dd><a href="/wiki/Coyote_Creek_(Santa_Clara_County)" title="Coyote Creek (Santa Clara County)">Coyote (Santa Clara)</a></dd> <dd><a href="/wiki/Coyote_Creek_(Marin_County)" title="Coyote Creek (Marin County)">Coyote (Marin)</a></dd> <dd><a href="/wiki/San_Leandro_Creek" title="San Leandro Creek">San Leandro</a></dd> <dd><a href="/wiki/San_Lorenzo_Creek" title="San Lorenzo Creek">San Lorenzo</a></dd> <dd><a href="/wiki/Schoolhouse_Creek_(Alameda_County,_California)" class="mw-redirect" title="Schoolhouse Creek (Alameda County, California)">Schoolhouse</a></dd> <dd><a href="/wiki/Temescal_Creek_(Northern_California)" title="Temescal Creek (Northern California)">Temescal</a></dd> <dd><a href="/wiki/Sausal_Creek_(Alameda_County,_California)" class="mw-redirect" title="Sausal Creek (Alameda County, California)">Sausal</a></dd> <dd><a href="/wiki/Redwood_Creek_(San_Mateo_County)" title="Redwood Creek (San Mateo County)">Redwood</a></dd> <dd><a href="/wiki/San_Mateo_Creek_(San_Francisco_Bay_Area)" title="San Mateo Creek (San Francisco Bay Area)">San Mateo</a></dd> <dd><a href="/wiki/Sonoma_Creek" title="Sonoma Creek">Sonoma</a></dd> <dd><a href="/wiki/Corte_Madera_Creek_(Marin_County,_California)" class="mw-redirect" title="Corte Madera Creek (Marin County, California)">Corte Madera</a></dd> <dd><a href="/wiki/Arroyo_Corte_Madera_del_Presidio" title="Arroyo Corte Madera del Presidio">Arroyo Corte Madera del Presidio</a></dd> <dd><a href="/wiki/San_Rafael_Creek" title="San Rafael Creek">San Rafael</a></dd> <dd><a href="/wiki/Miller_Creek_(Marin_County,_California)" title="Miller Creek (Marin County, California)">Miller</a></dd> <dd><a href="/wiki/Novato_Creek" title="Novato Creek">Novato</a></dd> <dd><a href="/wiki/Tolay_Creek" title="Tolay Creek">Tolay</a></dd> <dd><a href="/wiki/San_Francisquito_Creek" title="San Francisquito Creek">San Francisquito</a></dd> <dd><a href="/wiki/Pacheco_Creek_(Contra_Costa_County)" title="Pacheco Creek (Contra Costa County)">Pacheco</a></dd> <dd><a href="/wiki/Alhambra_Creek" title="Alhambra Creek">Alhambra</a></dd> <dd><a href="/wiki/Adobe_Creek_(Santa_Clara_County,_California)" class="mw-redirect" title="Adobe Creek (Santa Clara County, California)">Adobe</a></dd> <dd><a href="/wiki/Rodeo_Creek" title="Rodeo Creek">Rodeo</a></dd> <dd><a href="/wiki/Refugio_Creek" title="Refugio Creek">Refugio</a></dd> <dd><a href="/wiki/Pinole_Creek" title="Pinole Creek">Pinole</a></dd> <dd><a href="/wiki/Garrity_Creek" title="Garrity Creek">Garrity</a></dd> <dd><a href="/wiki/Rheem_Creek" title="Rheem Creek">Rheem</a></dd> <dd><a href="/wiki/Karlson_Creek" class="mw-redirect" title="Karlson Creek">Karlson</a></dd> <dd><a href="/wiki/San_Pablo_Creek" title="San Pablo Creek">San Pablo</a></dd> <dd><a href="/wiki/Castro_Creek" title="Castro Creek">Castro</a></dd> <dd><a href="/wiki/Wildcat_Creek_(California)" title="Wildcat Creek (California)">Wildcat</a></dd> <dd><a href="/wiki/Fluvius_Innominatus" title="Fluvius Innominatus">Fluvius Innominatus</a></dd> <dd><a href="/wiki/Marin_Creek" title="Marin Creek">Marin (Alameda County)</a></dd> <dd><a href="/wiki/Strawberry_Creek" title="Strawberry Creek">Strawberry</a></dd> <dd><a href="/wiki/Easton_Creek" title="Easton Creek">Easton</a></dd> <dd><a href="/wiki/Mission_Creek" title="Mission Creek">Mission Creek</a></dd> <dt><span class="nobold">Reservoirs</span></dt> <dd><a href="/wiki/Calaveras_Reservoir" title="Calaveras Reservoir">Calaveras Reservoir</a></dd> <dd><a href="/wiki/Lafayette_Reservoir" title="Lafayette Reservoir">Lafayette Reservoir</a></dd> <dt><span class="nobold">Straits and estuaries</span></dt> <dd><a href="/wiki/Clifton_Court_Forebay" title="Clifton Court Forebay">Clifton Court Forebay</a></dd> <dd><a href="/wiki/Carquinez_Strait" title="Carquinez Strait">Carquinez Strait</a></dd> <dd><a href="/wiki/Oakland_Estuary" title="Oakland Estuary">Oakland Estuary</a></dd> <dd><a href="/wiki/Raccoon_Strait" title="Raccoon Strait">Raccoon Strait</a></dd> <dd><a href="/wiki/Sacramento%E2%80%93San_Joaquin_River_Delta" title="Sacramento–San Joaquin River Delta">Sacramento–San Joaquin River Delta</a></dd> <dd><a href="/wiki/Stockton_Deepwater_Shipping_Channel" title="Stockton Deepwater Shipping Channel">Stockton Deepwater Shipping Channel</a></dd> <dt><span class="nobold">Watersheds</span></dt> <dd><a href="/wiki/Laguna_Creek_Watershed" class="mw-redirect" title="Laguna Creek Watershed">Laguna Creek Watershed</a></dd> <dd><a href="/wiki/Guadalupe_watershed" class="mw-redirect" title="Guadalupe watershed">Guadalupe watershed</a></dd></dl> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Parks and<br />protected areas</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Don_Edwards_San_Francisco_Bay_National_Wildlife_Refuge" title="Don Edwards San Francisco Bay National Wildlife Refuge">Don Edwards National Wildlife Refuge</a></li> <li><a href="/wiki/San_Pablo_Bay_National_Wildlife_Refuge" title="San Pablo Bay National Wildlife Refuge">San Pablo Bay National Wildlife Refuge</a></li> <li><a href="/wiki/Eden_Landing_Ecological_Reserve" title="Eden Landing Ecological Reserve">Eden Landing Ecological Reserve</a></li> <li><a href="/wiki/Hayward_Regional_Shoreline" title="Hayward Regional Shoreline">Hayward Regional Shoreline</a></li> <li><a href="/wiki/Hayward_Shoreline_Interpretive_Center" title="Hayward Shoreline Interpretive Center">Hayward Shoreline Interpretive Center</a></li> <li><a href="/wiki/Crown_Memorial_State_Beach" title="Crown Memorial State Beach">Crown Memorial State Beach</a></li> <li><a href="/wiki/McLaughlin_Eastshore_State_Park" title="McLaughlin Eastshore State Park">McLaughlin Eastshore State Park</a></li> <li><a href="/wiki/Emeryville_Crescent_State_Marine_Reserve" title="Emeryville Crescent State Marine Reserve">Emeryville Crescent State Marine Reserve</a></li> <li><a href="/wiki/Point_Isabel_Regional_Shoreline" title="Point Isabel Regional Shoreline">Point Isabel Regional Shoreline</a></li> <li><a href="/wiki/C%C3%A9sar_Ch%C3%A1vez_Park" title="César Chávez Park">César Chávez Park</a></li> <li><a href="/wiki/Brooks_Island_Regional_Preserve" title="Brooks Island Regional Preserve">Brooks Island Regional Preserve</a></li> <li><a href="/wiki/Point_Pinole_Regional_Shoreline" title="Point Pinole Regional Shoreline">Point Pinole Regional Shoreline</a></li> <li><a href="/wiki/Antioch_Dunes_National_Wildlife_Refuge" title="Antioch Dunes National Wildlife Refuge">Antioch Dunes National Wildlife Refuge</a></li> <li><a href="/wiki/Coyote_Point_Recreation_Area" title="Coyote Point Recreation Area">Coyote Point Recreation Area</a></li> <li><a href="/wiki/Middle_Harbor_Shoreline_Park" title="Middle Harbor Shoreline Park">Middle Harbor Shoreline Park</a></li> <li><a href="/wiki/San_Francisco_Bay_National_Estuarine_Research_Reserve" title="San Francisco Bay National Estuarine Research Reserve">National Estuarine Research Reserve</a></li> <li><a href="/wiki/China_Camp_State_Park" title="China Camp State Park">China Camp State Park</a></li> <li><a href="/wiki/San_Francisco_Maritime_National_Historical_Park" title="San Francisco Maritime National Historical Park">San Francisco Maritime National Historical Park</a></li> <li><a href="/wiki/San_Francisco_Bay_Trail" title="San Francisco Bay Trail">SF Bay Trail</a></li> <li><a href="/wiki/Oyster_Bay_Regional_Shoreline" title="Oyster Bay Regional Shoreline">Oyster Bay Regional Shoreline</a></li> <li><a href="/wiki/Big_Break_Regional_Shoreline" title="Big Break Regional Shoreline">Big Break Regional Shoreline</a></li> <li><a href="/wiki/Palo_Alto_Baylands_Nature_Preserve" title="Palo Alto Baylands Nature Preserve">Palo Alto Baylands Nature Preserve</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Islands and<br />peninsulas</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <dl><dt><span class="nobold">Major islands</span></dt> <dd><a href="/wiki/Alameda_(island)" title="Alameda (island)">Alameda</a></dd> <dd><a href="/wiki/Alcatraz_Island" title="Alcatraz Island">Alcatraz</a></dd> <dd><a href="/wiki/Angel_Island_(California)" title="Angel Island (California)">Angel</a></dd> <dd><a href="/wiki/Treasure_Island,_San_Francisco" title="Treasure Island, San Francisco">Treasure Island</a></dd> <dd><a href="/wiki/Yerba_Buena_Island" title="Yerba Buena Island">Yerba Buena</a></dd> <dt><span class="nobold">Minor</span></dt> <dd><a href="/wiki/Brooks_Island_Regional_Preserve" title="Brooks Island Regional Preserve">Brooks</a></dd> <dd><a href="/wiki/Bair_Island" title="Bair Island">Bair</a></dd> <dd><a href="/wiki/Bay_Farm_Island,_Alameda,_California" title="Bay Farm Island, Alameda, California">Bay Farm</a></dd> <dd><a href="/wiki/Belvedere_Island" title="Belvedere Island">Belvedere</a></dd> <dd><a href="/wiki/The_Brothers_(San_Francisco_Bay)" title="The Brothers (San Francisco Bay)">Brother</a></dd> <dd><a href="/wiki/Castro_Rocks" title="Castro Rocks">Castro Rocks</a></dd> <dd><a href="/wiki/Coast_Guard_Island" title="Coast Guard Island">Coast Guard</a></dd> <dd><a href="/wiki/Greco_Island" title="Greco Island">Greco</a></dd> <dd><a href="/wiki/Hooks_Island" title="Hooks Island">Hooks Island</a></dd> <dd><a href="/wiki/Mare_Island" title="Mare Island">Mare</a></dd> <dd><a href="/wiki/Red_Rock_Island" title="Red Rock Island">Red Rock</a></dd> <dd><a href="/wiki/The_Sisters_(California)" title="The Sisters (California)">The Sisters</a></dd> <dd><a href="/wiki/Marin_Islands" title="Marin Islands">Marin Islands</a></dd> <dd><a href="/wiki/Roe_Island" title="Roe Island">Roe</a></dd> <dd><a href="/wiki/Ryer_Island" title="Ryer Island">Ryer</a></dd> <dd><a href="/wiki/Seal_Islands_(California)" title="Seal Islands (California)">Seal Islands</a></dd> <dt><span class="nobold">Peninsulas/infill</span></dt> <dd><a href="/wiki/Albany_Bulb" title="Albany Bulb">Albany Bulb</a></dd> <dd><a href="/wiki/Brisbane_Baylands_development" title="Brisbane Baylands development">Brisbane Baylands</a></dd> <dd><a href="/wiki/Point_Isabel_(promontory)" title="Point Isabel (promontory)">Point Isabel</a></dd> <dd><a href="/wiki/Foster_City,_California" title="Foster City, California">Foster City</a></dd> <dd><a href="/wiki/Fleming_Point" title="Fleming Point">Fleming Point</a></dd> <dd><a href="/wiki/Bayview%E2%80%93Hunters_Point,_San_Francisco" title="Bayview–Hunters Point, San Francisco">Hunters Point</a></dd> <dd><a href="/wiki/Sierra_Point_(Brisbane)" title="Sierra Point (Brisbane)">Sierra Point</a></dd> <dd><a href="/wiki/Steamboat_Point" title="Steamboat Point">Steamboat Point</a></dd></dl> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Wetlands</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Palo_Alto_Baylands_Nature_Preserve" title="Palo Alto Baylands Nature Preserve">Baylands</a></li> <li><a href="/wiki/Belmont_Slough" title="Belmont Slough">Belmont</a></li> <li><a href="/wiki/Chelsea_Wetlands" title="Chelsea Wetlands">Chelsea</a></li> <li><a href="/wiki/Cordelia_Slough" title="Cordelia Slough">Cordelia</a></li> <li><a href="/wiki/Crissy_Field" title="Crissy Field">Crissy Field</a></li> <li><a href="/wiki/Hoffman_Marsh" title="Hoffman Marsh">Hoffman</a></li> <li><a href="/wiki/Meeker_Slough" class="mw-redirect" title="Meeker Slough">Meeker</a></li> <li><a href="/wiki/Mowry_Slough" title="Mowry Slough">Mowry</a></li> <li><a href="/wiki/Napa_Sonoma_Marsh" title="Napa Sonoma Marsh">Napa Sonoma</a></li> <li><a href="/wiki/Point_Molate_Marsh" class="mw-redirect" title="Point Molate Marsh">Point Molate</a></li> <li><a href="/wiki/San_Francisco_Bay_Salt_Ponds" title="San Francisco Bay Salt Ponds">Salt ponds</a></li> <li><a href="/wiki/Seal_Slough" title="Seal Slough">Seal</a></li> <li><a href="/wiki/Stege_Marsh" title="Stege Marsh">Stege</a></li> <li><a href="/w/index.php?title=Steinberger_Slough&action=edit&redlink=1" class="new" title="Steinberger Slough (page does not exist)">Steinberger</a></li> <li><a href="/wiki/Suisun_Marsh" title="Suisun Marsh">Suisun</a></li> <li><a href="/wiki/Westpoint_Slough" title="Westpoint Slough">Westpoint</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Bridges<br />and tubes</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <dl><dt><span class="nobold">Bridges</span></dt> <dd><a href="/wiki/San_Francisco%E2%80%93Oakland_Bay_Bridge" title="San Francisco–Oakland Bay Bridge">San Francisco–Oakland</a> <dl><dd><a href="/wiki/Eastern_span_replacement_of_the_San_Francisco%E2%80%93Oakland_Bay_Bridge" title="Eastern span replacement of the San Francisco–Oakland Bay Bridge">Eastern span replacement</a></dd></dl></dd> <dd><a href="/wiki/Richmond%E2%80%93San_Rafael_Bridge" title="Richmond–San Rafael Bridge">Richmond–San Rafael</a></dd> <dd><a href="/wiki/San_Mateo%E2%80%93Hayward_Bridge" title="San Mateo–Hayward Bridge">San Mateo–Hayward</a></dd> <dd><a href="/wiki/Dumbarton_Bridge_(California)" title="Dumbarton Bridge (California)">Dumbarton</a></dd> <dd><i><a href="/wiki/Dumbarton_Rail_Bridge" title="Dumbarton Rail Bridge">Dumbarton Rail Bridge</a> (inactive)</i></dd> <dd><a href="/wiki/Golden_Gate_Bridge" title="Golden Gate Bridge">Golden Gate</a></dd> <dd><a href="/wiki/Benicia%E2%80%93Martinez_Bridge" title="Benicia–Martinez Bridge">Benicia–Martinez</a></dd> <dd><a href="/wiki/Antioch_Bridge" title="Antioch Bridge">Antioch</a></dd> <dd><a href="/wiki/Carquinez_Bridge" title="Carquinez Bridge">Carquinez</a></dd> <dd><a href="/wiki/Leimert_Bridge" title="Leimert Bridge">Leimert</a></dd> <dd><a href="/wiki/Park_Street_Bridge" title="Park Street Bridge">Park Street</a></dd> <dd><a href="/wiki/Fruitvale_Bridge" title="Fruitvale Bridge">Fruitvale</a></dd> <dd><a href="/wiki/High_Street_Bridge" title="High Street Bridge">High Street</a></dd> <dd><a href="/wiki/Bay_Farm_Island_Bridge" title="Bay Farm Island Bridge">Bay Farm Island</a></dd> <dt><span class="nobold">Tubes</span></dt> <dd><a href="/wiki/Posey_and_Webster_Street_tubes" class="mw-redirect" title="Posey and Webster Street tubes">Posey/Webster Street</a></dd> <dd><a href="/wiki/Transbay_Tube" title="Transbay Tube">Transbay</a></dd></dl> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%"><a href="/wiki/Ferries_of_San_Francisco_Bay" title="Ferries of San Francisco Bay">Ferries</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Angel_Island%E2%80%93Tiburon_Ferry" title="Angel Island–Tiburon Ferry">Angel Island–Tiburon Ferry</a></li> <li><a href="/wiki/Blue_%26_Gold_Fleet" title="Blue & Gold Fleet">Blue & Gold Fleet</a></li> <li><a href="/wiki/Golden_Gate_Ferry" title="Golden Gate Ferry">Golden Gate Ferry</a></li> <li><a href="/wiki/San_Francisco_Bay_Ferry" title="San Francisco Bay Ferry">San Francisco Bay Ferry (WETA)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Ports and<br />marinas</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Port_of_San_Francisco" title="Port of San Francisco">Port of San Francisco</a></li> <li><a href="/wiki/Oakland_Seaport" title="Oakland Seaport">Oakland Seaport</a></li> <li><a href="/wiki/Port_of_Richmond_(California)" title="Port of Richmond (California)">Port of Richmond</a></li> <li><a href="/wiki/Hunters_Point_Naval_Shipyard" title="Hunters Point Naval Shipyard">Hunters Point Naval Shipyard</a></li> <li><a href="/wiki/Mare_Island_Naval_Shipyard" title="Mare Island Naval Shipyard">Mare Island Naval Shipyard</a></li> <li><a href="/wiki/Port_of_Redwood_City" title="Port of Redwood City">Port of Redwood City</a></li> <li><a href="/wiki/Berkeley_Marina" title="Berkeley Marina">Berkeley Marina</a></li> <li><a href="/wiki/Oyster_Point_Marina/Park" title="Oyster Point Marina/Park">Oyster Point Marina/Park</a></li> <li><a href="/wiki/Westpoint_Harbor" title="Westpoint Harbor">Westpoint Harbor</a></li> <li><span class="nowrap"><i><a href="/wiki/Foster_City_Marina" title="Foster City Marina">Foster City Marina</a> (proposed)</i></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <dl><dt><span class="nobold">History</span></dt> <dd><a href="/wiki/Delta_and_Dawn" title="Delta and Dawn">Delta and Dawn</a></dd> <dd><a href="/wiki/San_Francisco_Bay_Discovery_Site" title="San Francisco Bay Discovery Site">Discovery Site</a></dd> <dd><a href="/wiki/Humphrey_the_Whale" title="Humphrey the Whale">Humphrey the Whale</a></dd> <dd><a href="/wiki/San_Leandro_Oyster_Beds" title="San Leandro Oyster Beds">San Leandro Oyster Beds</a></dd> <dd><a href="/wiki/Richmond_Shipyards" title="Richmond Shipyards">Richmond Shipyards</a></dd> <dd><a href="/wiki/U.S._Army_Corps_of_Engineers_Bay_Model" title="U.S. Army Corps of Engineers Bay Model">U.S. Army Corps of Engineers Bay Model</a></dd> <dd><a href="/wiki/Harold_Gilliam" title="Harold Gilliam">Harold Gilliam</a></dd> <dd><a href="/wiki/Marincello" title="Marincello">Marincello</a></dd> <dt><span class="nobold">Ecology</span></dt> <dd><a href="/wiki/Golden_Gate_Biosphere_Reserve" class="mw-redirect" title="Golden Gate Biosphere Reserve">Golden Gate Biosphere Reserve</a></dd> <dd><a href="/wiki/Cosco_Busan_oil_spill" title="Cosco Busan oil spill">Cosco Busan oil spill</a></dd> <dd><a href="/wiki/Thicktail_chub" title="Thicktail chub">Thicktail chub</a></dd> <dd><a href="/wiki/Delta_smelt" title="Delta smelt">Delta smelt</a></dd> <dd><a href="/wiki/San_Francisco_Bay_Conservation_and_Development_Commission" title="San Francisco Bay Conservation and Development Commission">Conservation and Development Commission</a></dd> <dd><a href="/wiki/The_Watershed_Project" title="The Watershed Project">The Watershed Project</a></dd> <dd><a href="/wiki/Save_the_Bay" title="Save the Bay">Save The Bay</a></dd> <dd><a href="/wiki/Citizens_for_East_Shore_Parks" title="Citizens for East Shore Parks">Citizens for East Shore Parks</a></dd> <dd><a href="/wiki/Friends_of_Five_Creeks" title="Friends of Five Creeks">Friends of Five Creeks</a></dd> <dd><a href="/wiki/Urban_Creeks_Council" title="Urban Creeks Council">Urban Creeks Council</a></dd> <dd><a href="/wiki/1971_San_Francisco_Bay_oil_spill" title="1971 San Francisco Bay oil spill">1971 oil spill</a></dd> <dd><a href="/wiki/Greenbelt_Alliance" title="Greenbelt Alliance">Greenbelt Alliance</a></dd> <dd><a href="/wiki/The_Bay_Institute" title="The Bay Institute">The Bay Institute</a></dd> <dd><a href="/wiki/Reber_Plan" title="Reber Plan">Reber Plan</a></dd> <dd><a href="/wiki/San_Francisco_Baykeeper" title="San Francisco Baykeeper">San Francisco Baykeeper</a></dd> <dd><i><a href="/wiki/San_Francisco_Estuary_and_Watershed_Science" title="San Francisco Estuary and Watershed Science">San Francisco Estuary and Watershed Science</a></i></dd> <dd><a href="/wiki/San_Francisco_Estuary_Partnership" title="San Francisco Estuary Partnership">Estuary Partnership</a></dd> <dt><span class="nobold">Transportation</span></dt> <dd><a href="/wiki/San_Francisco_Bay_Area_Water_Trail" title="San Francisco Bay Area Water Trail">Water Trail</a></dd> <dd><a href="/wiki/Transportation_in_the_San_Francisco_Bay_Area" title="Transportation in the San Francisco Bay Area">Transportation in the San Francisco Bay Area</a></dd></dl> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3" style="background: #FCC200;"><div> <ul><li><b><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Symbol_portal_class.svg" class="mw-file-description" title="Portal"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/16px-Symbol_portal_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/23px-Symbol_portal_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/e/e2/Symbol_portal_class.svg/31px-Symbol_portal_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span> <a href="/wiki/Portal:San_Francisco_Bay_Area" title="Portal:San Francisco Bay Area">Portal</a></b></li> <li><b><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:San_Francisco_Bay" title="Category:San Francisco Bay">Category</a></b></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Alameda,_California" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background: #FCC200;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Alameda,_California" title="Template:Alameda, California"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Alameda,_California" title="Template talk:Alameda, California"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Alameda,_California" title="Special:EditPage/Template:Alameda, California"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Alameda,_California" style="font-size:114%;margin:0 4em"><a href="/wiki/Alameda,_California" title="Alameda, California">Alameda, California</a></div></th></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Landmarks</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Croll_Building" title="Croll Building">Croll Building</a></li> <li><a href="/wiki/USS_Hornet_Museum" class="mw-redirect" title="USS Hornet Museum">USS <i>Hornet</i> Museum</a></li> <li><a href="/wiki/Alameda_Theatre_(Alameda,_California)" title="Alameda Theatre (Alameda, California)">Alameda Theatre</a></li> <li><a href="/wiki/China_Clipper_flight_departure_site" title="China Clipper flight departure site">China Clipper flight departure site</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Economy</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alameda_Municipal_Power" title="Alameda Municipal Power">Alameda Municipal Power</a></li> <li><a href="/wiki/Integrated_Support_Command_Alameda" title="Integrated Support Command Alameda">Integrated Support Command Alameda</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Education</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/College_of_Alameda" title="College of Alameda">College of Alameda</a></li> <li><a href="/wiki/Alameda_Unified_School_District" title="Alameda Unified School District">Alameda Unified School District</a> <ul><li><a href="/wiki/Alameda_High_School" title="Alameda High School">Alameda High</a></li> <li><a href="/wiki/Encinal_High_School" title="Encinal High School">Encinal High</a></li> <li><a href="/wiki/Alameda_Science_and_Technology_Institute" title="Alameda Science and Technology Institute">Alameda Science and Technology Institute</a></li> <li><a href="/wiki/Island_High_School" title="Island High School">Island Continuation</a></li></ul></li> <li><a href="/wiki/St._Joseph_Notre_Dame_High_School" title="St. Joseph Notre Dame High School">St. Joseph Notre Dame High</a></li> <li><a href="/wiki/Alameda_Community_Learning_Center" title="Alameda Community Learning Center">Alameda Community Learning Center</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">History</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Naval_Air_Station_Alameda" title="Naval Air Station Alameda">Naval Air Station Alameda</a></li> <li><a href="/wiki/Neptune_Beach_(California)" title="Neptune Beach (California)">Neptune Beach</a></li> <li><a href="/wiki/Alameda_Works_Shipyard" title="Alameda Works Shipyard">Alameda Works Shipyard</a></li> <li><a href="/wiki/List_of_ships_built_in_Alameda,_California" title="List of ships built in Alameda, California">Ships built in Alameda</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Infrastructure</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bay_Farm_Island_Bridge" title="Bay Farm Island Bridge">Bay Farm Island Bridge</a></li> <li><a href="/wiki/Fruitvale_Bridge" title="Fruitvale Bridge">Fruitvale Bridge</a></li> <li><a href="/wiki/High_Street_Bridge" title="High Street Bridge">High Street Bridge</a></li> <li><a href="/wiki/Park_Street_Bridge" title="Park Street Bridge">Park Street Bridge</a></li> <li><a href="/wiki/Posey_and_Webster_Street_tubes" class="mw-redirect" title="Posey and Webster Street tubes">Posey and Webster Street tubes</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background: #FCC200;;width:1%">Locations</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alameda_(island)" title="Alameda (island)">Alameda Island</a></li> <li><a href="/wiki/Alameda_Point,_Alameda,_California" title="Alameda Point, Alameda, California">Alameda Point</a></li> <li><a href="/wiki/Bay_Farm_Island,_Alameda,_California" title="Bay Farm Island, Alameda, California">Bay Farm Island</a></li> <li><a href="/wiki/Coast_Guard_Island" title="Coast Guard Island">Coast Guard Island</a></li> <li><a href="/wiki/Fernside,_Alameda,_California" title="Fernside, Alameda, California">Fernside</a></li> <li><a href="/wiki/Chochenyo_Park_(Alameda,_California)" title="Chochenyo Park (Alameda, California)">Chochenyo Park</a></li> <li><a href="/wiki/Crown_Memorial_State_Beach" title="Crown Memorial State Beach">Crown Memorial State Beach</a></li> <li><a href="/wiki/South_Shore,_Alameda,_California" title="South Shore, Alameda, California">South Shore</a></li> <li><a href="/wiki/West_End,_Alameda,_California" title="West End, Alameda, California">West End</a></li> <li><a href="/wiki/Woodstock,_Alameda,_California" title="Woodstock, Alameda, California">Woodstock</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="2" style="background: #FCC200;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Alameda,_California" title="Category:Alameda, California">Category</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Tunnels_in_the_San_Francisco_Bay_Area" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Bay_Area_tunnels" title="Template:Bay Area tunnels"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Bay_Area_tunnels" title="Template talk:Bay Area tunnels"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Bay_Area_tunnels" title="Special:EditPage/Template:Bay Area tunnels"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Tunnels_in_the_San_Francisco_Bay_Area" style="font-size:114%;margin:0 4em">Tunnels in the <a href="/wiki/San_Francisco_Bay_Area" title="San Francisco Bay Area">San Francisco Bay Area</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Rail</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Altamont_Corridor_Express" title="Altamont Corridor Express">ACE</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Niles_Canyon#Railroads" title="Niles Canyon">Niles Canyon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Bay_Area_Rapid_Transit" title="Bay Area Rapid Transit">BART</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Berkeley_Hills_Tunnel" title="Berkeley Hills Tunnel">Berkeley Hills</a></li> <li>Berkeley Subway</li> <li><a href="/wiki/Fremont_Central_Park#BART_tunnel" title="Fremont Central Park">Fremont Central Park</a></li> <li><a href="/wiki/Market_Street_subway" title="Market Street subway">Market</a> (lower level)</li> <li><a href="/wiki/Oakland_Wye" title="Oakland Wye">Oakland Wye</a></li> <li><span class="nowrap"><i><a href="/wiki/Silicon_Valley_BART_extension" title="Silicon Valley BART extension">Silicon Valley BART extension</a> (2036)</i></span></li> <li><a href="/wiki/Transbay_Tube" title="Transbay Tube">Transbay</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/BNSF_Railway" title="BNSF Railway">BNSF</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Franklin_Tunnel" title="Franklin Tunnel">Franklin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Muni_Metro" title="Muni Metro">Muni Metro</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Central_Subway_(San_Francisco)" title="Central Subway (San Francisco)">Central</a></li> <li><span class="nowrap"><i><a href="/wiki/Fort_Mason_Tunnel" title="Fort Mason Tunnel">Fort Mason</a> (proposed)</i></span></li> <li><span class="nowrap"><i><a href="/wiki/Geary_Subway" title="Geary Subway">Geary</a> (proposed)</i></span></li> <li><span class="nowrap"><a href="/wiki/Market_Street_subway" title="Market Street subway">Market</a> (upper level)</span></li> <li><a href="/wiki/Sunset_Tunnel" title="Sunset Tunnel">Sunset</a></li> <li><a href="/wiki/Twin_Peaks_Tunnel" title="Twin Peaks Tunnel">Twin Peaks</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Caltrain" title="Caltrain">Caltrain</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bayshore_Cutoff#Tunnels" title="Bayshore Cutoff">Bayshore Cutoff</a></li> <li><span class="nowrap"><i><a href="/wiki/The_Portal_(San_Francisco)" title="The Portal (San Francisco)">The Portal</a> (proposed)</i></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sonoma%E2%80%93Marin_Area_Rail_Transit" title="Sonoma–Marin Area Rail Transit">SMART</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/California_Park,_California#The_Cal_Park_Hill_Tunnel" title="California Park, California">Cal Park Hill</a></li> <li><a href="/wiki/Puerto_Suello_Hill_Tunnel" title="Puerto Suello Hill Tunnel">Puerto Suello Hill</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><i><a href="/wiki/California_High-Speed_Rail" title="California High-Speed Rail">CAHSR</a></i></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><i><a href="/wiki/Pacheco_Pass_Tunnels" title="Pacheco Pass Tunnels">Pacheco Pass</a> (proposed)</i></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><i><a href="/wiki/Valley_Link" title="Valley Link">Valley Link</a></i></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><i>Summit Tunnel (proposed)</i></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Abandoned</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alto_tunnel" title="Alto tunnel">Alto</a></li> <li><a href="/wiki/Wrights_tunnel" title="Wrights tunnel">Wrights</a></li></ul> </div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="3" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:BART_Tube_section.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/BART_Tube_section.svg/150px-BART_Tube_section.svg.png" decoding="async" width="150" height="68" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/BART_Tube_section.svg/225px-BART_Tube_section.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ce/BART_Tube_section.svg/300px-BART_Tube_section.svg.png 2x" data-file-width="1365" data-file-height="620" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Road</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">San Francisco</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Broadway_Tunnel_(San_Francisco)" title="Broadway Tunnel (San Francisco)">Broadway</a></li> <li><span class="nowrap"><i><a href="/wiki/Fillmore_Street_Tunnel" title="Fillmore Street Tunnel">Fillmore</a> (proposed)</i></span></li> <li>Geary–Masonic</li> <li><a href="/wiki/MacArthur_Tunnel" title="MacArthur Tunnel">MacArthur</a></li> <li>Presidio Parkway</li> <li><span class="nowrap"><i><a href="/wiki/Southern_Crossing_(California)" title="Southern Crossing (California)">Southern Crossing</a> (proposed)</i></span></li> <li><a href="/wiki/Stockton_Street_Tunnel" title="Stockton Street Tunnel">Stockton</a></li> <li><a href="/wiki/Yerba_Buena_Tunnel" title="Yerba Buena Tunnel">Yerba Buena</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">East Bay</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Caldecott_Tunnel" title="Caldecott Tunnel">Caldecott</a></li> <li>Ferry Point</li> <li><a href="/wiki/Northbrae_Tunnel" title="Northbrae Tunnel">Northbrae</a></li> <li><a href="/wiki/Posey_and_Webster_Street_tubes" class="mw-redirect" title="Posey and Webster Street tubes">Posey and Webster</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">North Bay</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Baker%E2%80%93Barry_Tunnel" title="Baker–Barry Tunnel">Baker–Barry</a></li> <li><a href="/wiki/Waldo_Grade#Robin_Williams_Tunnel" title="Waldo Grade">Robin Williams (Waldo)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Peninsula</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Tom_Lantos_Tunnels" title="Tom Lantos Tunnels">Tom Lantos</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Utility</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Claremont_Tunnel" title="Claremont Tunnel">Claremont</a></li> <li><a href="/wiki/Hetch_Hetchy#Hetch_Hetchy_Project" title="Hetch Hetchy">Hetch Hetchy</a></li> <li><a href="/wiki/Mile_Rock_Tunnel" title="Mile Rock Tunnel">Mile Rock</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Posey_and_Webster_Street_Tubes&oldid=1252954086">https://en.wikipedia.org/w/index.php?title=Posey_and_Webster_Street_Tubes&oldid=1252954086</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Buildings_and_structures_in_Alameda,_California" title="Category:Buildings and structures in Alameda, 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