Author
- National Research Council (U.S.). Transportation Research Board
- National Cooperative Highway Research Program 4 results
- Transit Cooperative Research Program 3 results
- National Cooperative Transit Research & Development Program (U.S.) 2 results
- National Research Council (U.S.). Highway Research Board 2 results
- Research and Technology Coordinating Committee (U.S.) 2 results
- United States. Federal Highway Administration 2 results
- Bridge Engineering Conference Denver, Colo 1 results
- Commercial Truck and Bus Safety Synthesis Program (U.S.) 1 results
- Hazardous Materials Cooperative Research Program 1 results
- Innovations Deserving Exploratory Analysis (IDEA Program) 1 results
- International Conference on Low-volume Roads Raleigh, N.C 1 results
- Levinson, Herbert S. 1 results
- National Research Council (U.S.). Transportation Research Board. Meeting 1 results
- Rankin, Woodrow W. 1 results
- Strategic Highway Research Program (U.S.) 1 results
- United States. Dept. of Transportation. Research and Special Programs Administration 1 results
- United States. Pipeline and Hazardous Materials Safety Administration 1 results
- United States. Urban Mass Transportation Administration 1 results