Alphabetized list of states with links to every state's department of Transportation and other transportation related websites. Web Sites of the U. S. Federal Highway Administation.
http://www.fhwa.dot.gov/webstate.html
DOT- Department of Transportation by U.S. map
For those who prefer a clickable map to a list, the Indiana Dot also provides links to every state's DOT.
http://www.state.in.us/dot/links/otherstatedot.html
Federal Highway Administration (FHWA) - U.S. Department of Transportation FHWA home page:
http://www.fhwa.dot.gov
Alphabetical list of FHWA websites:
http://www.fhwa.dot.gov/fhwaweb.html
Intelligent Transportation Systems America
ITS America is a national / international association that brings public and private partnerships together to make surface transportation safer and more efficient by accelerating the development, integration, acceptance and deployment of a broad range of advanced technologies.
http://www.itsa.org
National Highway Traffic Safety Administration (NHTSA) - U.S. Department of Transportation