AUTHOR
American Association of State Highway and Transportation Officials
3
National Research Council (U.S.). Highway Research Board
3
National Research Council (U.S.). Highway Research Board. Meeting
3
United States. Federal Highway Administration
3
National Cooperative Highway Research Program
2
National Research Council (U.S.). Highway Research Board. Committee on Freeway Operations
2
National Research Council (U.S.). Transportation Research Board
2
Barrett, Richard 1945-
1
Dudek, Conrad L.
1
National Research Council (U.S.). Committee on Highway Safety
1
National Research Council (U.S.). Committee on Operational Effects of Geometrics
1
National Research Council (U.S.). Highway Research Board. Committee on Operational Effects of Geometrics
1
Roark, John J.
1
Smith, Brian L. 1967-
1
Ullman, Gerald L.
1
Urbanik, T. 1946-
1