{"id":243,"date":"2012-03-29T19:33:32","date_gmt":"2012-03-29T19:33:32","guid":{"rendered":"http:\/\/daviddilworth.com\/env\/?p=243"},"modified":"2025-06-08T18:38:07","modified_gmt":"2025-06-08T18:38:07","slug":"you-cant-pave-your-way-out-of-congestion","status":"publish","type":"post","link":"https:\/\/daviddilworth.com\/env\/you-cant-pave-your-way-out-of-congestion\/","title":{"rendered":"You Can&#8217;t Pave Your Way Out of Congestion !"},"content":{"rendered":"<div id=\"attachment_764\" style=\"width: 401px\" class=\"wp-caption alignright\"><a href=\"http:\/\/daviddilworth.com\/env\/wp-content\/uploads\/2012\/03\/LA-TRAFFIC.webp\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-764\" class=\"wp-image-764\" src=\"http:\/\/daviddilworth.com\/env\/wp-content\/uploads\/2012\/03\/LA-TRAFFIC.webp\" alt=\"LA -Traffic - even at 4am--  (image credit: KPCC)\" width=\"391\" height=\"260\" srcset=\"https:\/\/daviddilworth.com\/env\/wp-content\/uploads\/2012\/03\/LA-TRAFFIC.webp 935w, https:\/\/daviddilworth.com\/env\/wp-content\/uploads\/2012\/03\/LA-TRAFFIC-300x200.webp 300w, https:\/\/daviddilworth.com\/env\/wp-content\/uploads\/2012\/03\/LA-TRAFFIC-768x512.webp 768w\" sizes=\"auto, (max-width: 391px) 100vw, 391px\" \/><\/a><p id=\"caption-attachment-764\" class=\"wp-caption-text\"><strong>LA-Traffic &#8211; Full Stop &#8211; Full Time 24\/7<\/strong> (image credit: KPCC)<\/p><\/div>\n<p align=\"CENTER\"><em><strong>&#8220;Building more lanes to cure congestion<\/strong><\/em><\/p>\n<p align=\"CENTER\"><em><strong>is like loosening your belt to cure obesity.&#8221;<\/strong><\/em><\/p>\n<p>1) There is now overwhelming evidence, including a <a href=\"http:\/\/www.daclarke.org\/AltTrans\/analysis.html\"><strong>nationwide study of 70 metropolitan areas over 15 years (Texas Transportation Institute<\/strong><\/a>), and another California specific study (Hansen 1995, which included Monterey County) that when an area is congested &#8211; <strong>additional lanes or roads <em><span style=\"text-decoration: underline;\">do not provide congestion relief<\/span><\/em><\/strong>.<\/p>\n<p><!--more-->2) It is also well documented that <strong>additional lanes increase traffic<\/strong>, and that new highways create demand for travel and expansion by their very existence.<\/p>\n<p>3) Further experience shows &#8220;<strong>When road capacity shrinks &#8211; So Can Traffic;&#8221; traffic congestion goes down !<\/strong><\/p>\n<ul>\n<li>So, when a road is congested, adding more lanes or roads will not relieve congestion, but will likely increase traffic.<\/li>\n<li>When a road is congested the <strong>only way to relieve congestion<\/strong> is not by building more roads, but by <strong>reducing land use<\/strong> &#8211; or paradoxically by <strong>closing roads<\/strong>.<\/li>\n<\/ul>\n<p align=\"CENTER\">___________________________<\/p>\n<p>&nbsp;<\/p>\n<p>References:<\/p>\n<p>1. <a href=\"http:\/\/www.daclarke.org\/AltTrans\/analysis.html\"><strong>&#8220;An Analysis of the Relationship Between Highway Expansion and Congestion in Metropolitan Areas&#8221;, Nov 1998, Texas Transportation Institute, Surface Transportation Policy Project.<\/strong><\/a>&#8221;<\/p>\n<p>2. &#8220;<strong>Do New Highways Generate Traffic?<\/strong>&#8221; Fall 1995, M. Hansen, Access &#8211; UC Berkeley Engineering.<\/p>\n<p>3. <strong>In January 1997 US Federal District Court, Judge Suzanne B. Conlon for the Northern District of Illinois, Opinion wrote:<\/strong><\/p>\n<blockquote><p><em><strong>&#8220;Highways create demand for travel and expansion by their very existence.<\/strong><\/em>&#8221; Swain v. Brinegar, 517 F.2d 766, 777 (7th Cir.1975); Def. 12 (M) Par. 86. &#8220;<em><strong>However the <span style=\"text-decoration: underline;\">final impact statement in this case relies on the implausible assumption that the same level of transportation needs will exist whether or not the toll road is constructed.<\/span><\/strong><\/em>&#8221; &#8220;[FHWA&#8217;s] decision in this regard was <span style=\"text-decoration: underline;\">arbitrary and capricious<\/span>. 5 USC Sec 706(2)(a).&#8221;<\/p><\/blockquote>\n<p>4. San Francisco&#8217;s Central Freeway in 1996, New York&#8217;s West Side Highway 1988 in Auto Free Times Winter 1996-97; <a href=\"http:\/\/web.archive.org\/web\/20060211072443\/http:\/\/www.merriam-park.org:80\/POST\/mar99\/remove.htm\"><strong>&#8220;Remove it and They Will Disappear&#8221; by Jill Kruse STTP Research Coordinator, 1998<\/strong><\/a><strong>)<\/strong><\/p>\n<p>-END<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Building more lanes to cure congestion is like loosening your belt to cure obesity.&#8221; 1) There is now overwhelming evidence, including a nationwide study of 70 metropolitan areas over 15 years (Texas Transportation Institute), and another California specific study (Hansen &hellip; <a href=\"https:\/\/daviddilworth.com\/env\/you-cant-pave-your-way-out-of-congestion\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[3,9],"tags":[95,94],"class_list":["post-243","post","type-post","status-publish","format-standard","hentry","category-environmental-science","category-rationale","tag-monterey-county","tag-texas-transportation-institute"],"_links":{"self":[{"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/posts\/243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/comments?post=243"}],"version-history":[{"count":19,"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/posts\/243\/revisions"}],"predecessor-version":[{"id":765,"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/posts\/243\/revisions\/765"}],"wp:attachment":[{"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/media?parent=243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/categories?post=243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daviddilworth.com\/env\/wp-json\/wp\/v2\/tags?post=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}