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var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/UK_motorway_symbol.svg/28px-UK_motorway_symbol.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/34/UK_motorway_symbol.svg/42px-UK_motorway_symbol.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/34/UK_motorway_symbol.svg/56px-UK_motorway_symbol.svg.png 2x" data-file-width="561" data-file-height="561"/></span></span></span><span class="portalbox-link"><a href="/wiki/Portal:Roads" title="Portal:Roads">Roads portal</a></span></li></ul>This article is within the scope of <b><a href="/wiki/Wikipedia:WikiProject_Highways" title="Wikipedia:WikiProject Highways">WikiProject Highways</a></b>, a collaborative effort to improve the coverage of <a href="/wiki/Highway" title="Highway">highways</a> on Wikipedia. If you would like to participate, please visit the project page, where you can join <a href="/wiki/Wikipedia_talk:WikiProject_Highways" title="Wikipedia talk:WikiProject Highways">the discussion</a> and see a list of open tasks.<span class="metadata wpb-metadata"><span class="wpb-project">Highways</span><span class="wpb-project_link">Wikipedia:WikiProject Highways</span><span class="wpb-banner_name">Template:WikiProject Highways</span><span class="wpb-assessment_cat">Highways articles</span></span></td><td class="mbox-empty-cell"></td></tr><tr><td class="assess import-mid"><a href="/wiki/Category:Mid-importance_Highways_articles" title="Category:Mid-importance Highways articles">Mid</a></td><td class="mbox-text" colspan="2">This article has been rated as <b>Mid-importance</b> on the <a href="/wiki/Wikipedia:WikiProject_Highways/Assessment#Importance_scale" title="Wikipedia:WikiProject Highways/Assessment">project's importance scale</a>.</td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table> <p>Why are they asymetrical? What is the purpose of the below the ground section and why is it not on both sides? Are these safer for motorcycles? <a href="/wiki/Special:Contributions/92.232.36.159" title="Special:Contributions/92.232.36.159">92.232.36.159</a> (<a href="/wiki/User_talk:92.232.36.159" title="User talk:92.232.36.159">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Concrete_step_barrier#c-92.232.36.159-2008-10-31T15:17:00.000Z" class="ext-discussiontools-init-timestamplink">15:17, 31 October 2008 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-92.232.36.159-2008-10-31T15:17:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-92.232.36.159-2008-10-31T15:17:00.000Z"></span> </p><p><br/><span data-mw-comment-start="" id="c-Williamstroker-2008-12-21T18:41:00.000Z"></span> The below ground section you refer to is actually a drainage channel. It only needs to be on one side of the barrier, depending on the elevation and camber of the road. <a href="/w/index.php?title=User:Williamstroker&action=edit&redlink=1" class="new" title="User:Williamstroker (page does not exist)">Williamstroker</a> (<a href="/wiki/User_talk:Williamstroker" title="User talk:Williamstroker">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Concrete_step_barrier#c-Williamstroker-2008-12-21T18:41:00.000Z" class="ext-discussiontools-init-timestamplink">18:41, 21 December 2008 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Williamstroker-2008-12-21T18:41:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Williamstroker-2008-12-21T18:41:00.000Z"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Advertisment?" data-mw-thread-id="h-Advertisment?-2009-01-14T23:32:00.000Z"><span id="Advertisment.3F"></span><span data-mw-comment-start="" id="h-Advertisment?-2009-01-14T23:32:00.000Z"></span>Advertisment?<span data-mw-comment-end="h-Advertisment?-2009-01-14T23:32:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Concrete_step_barrier&action=edit&section=1" title="Edit section: Advertisment?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Rubensni-2009-01-14T23:32:00.000Z-Advertisment?"></span>There seems to be an incredible amount of very positive information here added by user Pushcreativity. Interestingly this is the only article Pushcreativity has edited or linked to. Also an image by a company called Britpave has been uploaded here by Pushcreativity. Britpave manufacture and install concrete step barriers, even maintaining a website <a rel="nofollow" class="external free" href="http://www.concretebarrier.org.uk/">http://www.concretebarrier.org.uk/</a> to advertise this. The website was built by a marketing company called Push Creativity (website <a rel="nofollow" class="external free" href="http://www.push.uk.net/">http://www.push.uk.net/</a>). <a href="/wiki/User:Rubensni" title="User:Rubensni">Rubensni</a> (<a href="/wiki/User_talk:Rubensni" title="User talk:Rubensni">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Concrete_step_barrier#c-Rubensni-2009-01-14T23:32:00.000Z-Advertisment?" class="ext-discussiontools-init-timestamplink">23:32, 14 January 2009 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Rubensni-2009-01-14T23:32:00.000Z-Advertisment?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Rubensni-2009-01-14T23:32:00.000Z-Advertisment?"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="UK_Change_of_Policy" data-mw-thread-id="h-UK_Change_of_Policy-2010-01-22T19:18:00.000Z"><span data-mw-comment-start="" id="h-UK_Change_of_Policy-2010-01-22T19:18:00.000Z"></span>UK Change of Policy<span data-mw-comment-end="h-UK_Change_of_Policy-2010-01-22T19:18:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Concrete_step_barrier&action=edit&section=2" title="Edit section: UK Change of Policy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-92.41.251.136-2010-01-22T19:18:00.000Z-UK_Change_of_Policy"></span>Were any reasons given for the change of policy in the UK dictating that all new motorway medians will be concrete instead of steel? What are the advantages (cost, safety) of using each system? <a href="/wiki/Special:Contributions/92.41.251.136" title="Special:Contributions/92.41.251.136">92.41.251.136</a> (<a href="/w/index.php?title=User_talk:92.41.251.136&action=edit&redlink=1" class="new" title="User talk:92.41.251.136 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Concrete_step_barrier#c-92.41.251.136-2010-01-22T19:18:00.000Z-UK_Change_of_Policy" class="ext-discussiontools-init-timestamplink">19:18, 22 January 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-92.41.251.136-2010-01-22T19:18:00.000Z-UK_Change_of_Policy"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-92.41.251.136-2010-01-22T19:18:00.000Z-UK_Change_of_Policy"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Motacilla-2010-01-23T01:15:00.000Z-92.41.251.136-2010-01-22T19:18:00.000Z"></span>I don't know the DfT's reasons for its decision. However, it coincided with the The <a href="/wiki/Federation_of_European_Motorcyclists_Associations" title="Federation of European Motorcyclists Associations">Federation of European Motorcyclists Associations</a> (FEMA) publishing a report identifying concrete barriers as significantly safer than steel. If the barrier is smooth concrete, impact is spread over a relatively wide surface. Many collisions with a safety barrier are at a relatively shallow angle, in which case a casualty can then slide along the barrier in the direction of travel, dissipating momentum and coming to rest relatively intact.</dd></dl> <dl><dd>Conventional W-section steel barriers have support posts that severely injure any casualty who is not protected by a vehicle. This can include anyone thrown out of a vehicle as well as motorcyclists. Concrete barriers are also safer than <a href="/wiki/Wire_Rope_Safety_barrier" class="mw-redirect" title="Wire Rope Safety barrier">Wire Rope Safety barriers</a>, which combine hazardous support posts with tensioned steel cables that can also cause severe injuries.</dd></dl> <dl><dd>Also in 2005 the <a href="/wiki/Department_for_Transport" title="Department for Transport">Department for Transport</a> (DfT) published <i>The Government's Motorcycling Strategy</i> and the <a href="/wiki/Institute_of_Highway_Incorporated_Engineers" class="mw-redirect" title="Institute of Highway Incorporated Engineers">Institute of Highway Incorporated Engineers</a> (IHIE) published <i>Guidelines for Motorcycling</i>, both of which included sections on reducing roadside casualties. FEMA's 2005 report can be downloaded from its website: <a rel="nofollow" class="external autonumber" href="http://www.fema-online.eu/index.php?page=resources">[1]</a>. <a href="/wiki/User:Motacilla" title="User:Motacilla">Motacilla</a> (<a href="/wiki/User_talk:Motacilla" title="User talk:Motacilla">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Concrete_step_barrier#c-Motacilla-2010-01-23T01:15:00.000Z-92.41.251.136-2010-01-22T19:18:00.000Z" class="ext-discussiontools-init-timestamplink">01:15, 23 January 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Motacilla-2010-01-23T01:15:00.000Z-92.41.251.136-2010-01-22T19:18:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Motacilla-2010-01-23T01:15:00.000Z-92.41.251.136-2010-01-22T19:18:00.000Z"></span></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="External_links_modified" data-mw-thread-id="h-External_links_modified-2017-08-12T00:27:00.000Z"><span data-mw-comment-start="" id="h-External_links_modified-2017-08-12T00:27:00.000Z"></span>External links modified<span data-mw-comment-end="h-External_links_modified-2017-08-12T00:27:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Concrete_step_barrier&action=edit&section=3" title="Edit section: External links modified"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-InternetArchiveBot-2017-08-12T00:27:00.000Z-External_links_modified"></span>Hello fellow Wikipedians, </p><p>I have just modified 2 external links on <a href="/wiki/Concrete_step_barrier" title="Concrete step barrier">Concrete step barrier</a>. 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