FEDERAL

Federal Highway Administration
www.fhwa.dot.gov

U. S. Department of Transportation
www.dot.gov

Bureau of Transportation Statistics
www.bts.gov

U.S. Environmental Protection Agency
www.epa.gov

STATE

Governor's Highway Safety Association
www.naghsr.org

Department of Transportation by State
www.fhwa.dot.gov/webstate.htm

INDUSTRY AFFILIATES

AASHTO
www.transportation.org

American Public Works Association
www.apwa.net

American Traffic Safety Services Association
www.atssa.com Institute of Transportation Engineers
www.ite.org

Intelligent Transportation Society of America (ITS America)
www.itsa.org

National Work Zone Information Clearinghouse
www.wzsafety.tamu.edu

National Highway Traffic Safety Association
www.nhtsa.gov

National Transportation Safety Board
www.ntsb.gov