Author
United States. Federal Highway Administration
American Association of State Highway and Transportation Officials
207
National Research Council (U.S.). Transportation Research Board
131
National Cooperative Highway Research Program
114
United States. Urban Mass Transportation Administration
70
Pennsylvania. Department of Transportation
62
United States. Federal Transit Administration
55
New Jersey. Department of Transportation
46
Cambridge Systematics
17
Comsis Corporation
17
New Jersey. Department of Transportation. Division of Research and Technology
16
Florida. Department of Transportation
14
United States. Bureau of Public Roads
14
United States. Department of Transportation
14
Technology Sharing Program (U.S.)
11
United States. Environmental Protection Agency
10
United States. National Highway Traffic Safety Administration
10
United States. Office of Highway Planning
9
Alan M. Voorhees & Associates
8
Blayney-Dyett, Urban and Regional Planners
8
Payne-Maxie Consultants
8
Richard Browne Associates
8
United States. Federal Highway Administration. Office of Highway Information Management
8
United States. Federal Highway Administration. Office of Highway Policy Information
8
United States. Public Roads Administration
8
Kittelson & Associates
7
Delaware Valley Regional Planning Commission. Strategic Planning Division
6
Highway Users Federation for Safety and Mobility
6
Public Technology, inc
6
Rice Center
6
Spy Pond Partners, LLC
6
Turnbull, Katherine F.
6
Turner-Fairbank Highway Research Center
6
Wattleworth, Joseph A.
6
Zegeer, Charles V.
6
Zmud, Johanna
6
Everall, Paul F.
5
Kuzmyak, J. Richard
5
United States. Department of Transportation. Office of the Assistant Secretary for Policy and International Affairs
5
United States. Department of Transportation. Office of the Secretary
5
West Virginia. Department of Highways
5
Chien, I-Jy Steven
4
Gluck, Jerome S.
4
ICF International (Firm)
4
International Road Federation
4
James P. Purcell Associates
4
McCormick, Taylor and Associates
4
New Jersey. Department of Transportation. Bureau of Research
4
Özbay, Kaan, 1964-
4
Parsons, Brinckerhoff, Quade & Douglas
4
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