workzonesafety.org - USDOT Congestion Initiative Update: The Federal Government Takes Up the Congestion Challenge - Comments http://www.workzonesafety.org/news_events/wz_conference_2007/congestion_arnold Comments for "USDOT Congestion Initiative Update: The Federal Government Takes Up the Congestion Challenge" en USDOT Congestion Initiative Update: The Federal Government Takes Up the Congestion Challenge http://www.workzonesafety.org/news_events/wz_conference_2007/congestion_arnold http://www.workzonesafety.org/news_events/wz_conference_2007/congestion_arnold#comment News & Events Work Zone Conferences Thu, 06 Dec 2007 14:42:52 -0600 8087 at http://www.workzonesafety.org