Focus on Congestion Relief


To add or suggest a Traffic Congestion-related link, contact Rich Taylor at FHWA.

Federal Government

Federal Highway Administration (FHWA)

FHWA Office of Operations

FHWA Office of Innovative Program Delivery

Federal Transit Administration

U.S. DOT Intelligent Transportation Systems (ITS) Joint Program Office

Publications, Reports, Articles and Information

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2012 Urban Congestion Trends – Operations: The Key to Reliable Travel (2013) PDF

2011 Urban Congestion Trends: Improving Travel Reliability with Operations (PDF 6MB).

2010 Urban Congestion Trends: Enhancing System Reliability with Operations (2011) PDF.

2009 Urban Congestion Trends: How Operations is Solving Congestion Problems (2010) PDF.

Traffic Congestion and Reliability: Trends and Advanced Strategies for Congestion Mitigation (2005) PDF (3.6 MB)

Traffic Congestion and Reliability: Linking Solutions to Problems (2004) PDF (2.6 MB)

FHWA Office of Operations Publications

U.S. DOT ITS Electronic Document Library


Transportation Research Board (TRB)

Center for Advanced Transportation Technology Laboratory (CATT LAB) - University of Maryland, College Park

Center for Transportation Studies (CTS) - University of Minnesota

Center for Transportation Studies (CTS) - University of Virginia

Center for Urban Transportation Studies - University of Wisconsin, Milwaukee

Institute of Transportation Studies (ITS) - University of California, Berkeley

Northwestern University Transportation Center

Pennsylvania Transportation Institute (PTI) - Penn State University

Texas Transportation Institute (TTI) - Texas A&M University System

Transportation Research Center (TRC) - University of Florida

Virginia Tech Transportation Institute (VTTI) - Virginia Tech

Washington State Transportation Center (TRAC) -
A cooperative transportation research agency between Washington State University, the University of Washington, and the Washington State Department of Transportation.

Associations and Groups

National Transportation Operations Coalition (NTOC)
The NTOC is a group of associations and other members that are working together to institutionalize management and operations in the transportation industry.

American Public Transportation Association (APTA)

Association of American State Highway and Transportation Officials (AASHTO)

Association of Metropolitan Planning Organizations (AMPO)

Institute of Transportation Engineers (ITE)

Intelligent Transportation Society of America (ITS America)

International City/County Management Association (ICMA)

Public Technology Institute (PTI)