Author
United States. Federal Highway Administration
United States. Bureau of Public Roads
2
United States. Federal Transit Administration
2
Boise Metropolitan Transportation Study,
1
Intelligent vehicle initiative (U.S.)
1
Texas Transportation Institute
1
Travel Model Improvement Program (U.S.)
1
Turner-Fairbank Highway Research Center
1
United States. Department of Transportation
1
United States. Federal Aviation Administration
1
United States. Federal Highway Administration. Office of Highway Policy Information
1
United States. Federal Highway Administration. Office of Research and Development
1
United States. Federal Highway Administration. Office of Research, Development, and Technology
1
United States. Federal Highway Administration. Offices of Research and Development
1
United States. Federal Highway Administration. Offices of Research, Development, and Technology
1
United States. Federal Motor Carrier Safety Administration
1
United States. National Highway Traffic Safety Administration
1
United States. Office of Public Roads and Rural Engineering
1
United States. Public Roads Administration
1
United States. Urban Mass Transportation Administration
1