United States Bureau of Public Roads United States Federal Highway Administration United States Public Roads Administration 16 United States Federal Highway Administration. Office of Highway Information Management 8 United States Federal Highway Administration. Office of Highway Policy Information 6 United States Federal Highway Administration. Offices of Research, Development, and Technology 6 United States Office of Highway Planning 6 United States Office of Highway Safety 6 United States Federal Highway Administration. Office of Research and Development 4 United States Federal Highway Administration. Offices of Research and Development 4 American Bar Association Committee on Condemnation and Condemnation Procedure 3 National Research Council (U.S.) Transportation Research Board 3 American Association of State Highway Officials 2 American Association of State Highway and Transportation Officials 2 Carnegie Mellon University Department of Civil Engineering 2 Culver, Charles 2 International Road Federation 2 Mozer, John 2 National Cooperative Highway Research Program 2 Organisation for Economic Co-operation and Development 2 United States Federal Highway Administration. Office of Research, Development, and Technology 2 United States Office of Public Roads and Rural Engineering 2 American Bar Association Committee on Development of the Law Under National Labor Relations Act 1 Bossy, Herbert G. 1 California Business and Transportation Agency 1 California Department of Public Works 1 California Division of Highways 1 Herr, Lester A 1 Kansas Department of Highway Planning 1 Maryland State Highway Administration 1 see all ...