eBook 5,788 results 5,788 Book 5,467 results 5,467 Government Document 5,247 results 5,247 Microform 473 results 473 Conference Proceeding 391 results 391 Serial 278 results 278 Map 214 results 214 Journal 187 results 187 Database 75 results 75 Software 47 results 47 Thesis 47 results 47 Video 38 results 38 DVD 19 results 19 Newspaper 8 results 8 Electronic 7 results 7 Manuscript 6 results 6 Blu-ray Disc 5 results 5 Book Chapter 2 results 2 Photo 2 results 2 Reference Material 2 results 2 VHS 2 results 2 Audio 1 results 1 CD 1 results 1 Kit 1 results 1 see all…

ProQuest (Firm) 2,335 results 2,335 National Research Council (U.S.). Transportation Research Board 505 results 505 United States. Federal Highway Administration 401 results 401 Library of Congress. Congressional Research Service 235 results 235 Texas Transportation Institute 234 results 234 American Association of State Highway and Transportation Officials 204 results 204 SpringerLink (Online service) 187 results 187 United States. Congress. House. Committee on Interstate and Foreign Commerce 182 results 182 United States. General Accounting Office 149 results 149 United States. Bureau of the Census 148 results 148 United States. Government Accountability Office 134 results 134 United States. Congress. Senate. Committee on Interstate Commerce 131 results 131 United States. Interstate Commerce Commission 131 results 131 United States. Department of Transportation 113 results 113 Texas. Department of Transportation 112 results 112 National Cooperative Highway Research Program 104 results 104 United States. Congress. Senate. Committee on Commerce, Science, and Transportation 104 results 104 United States. Department of the Treasury 104 results 104 United States. Congress. House 103 results 103 United States. Congress. House. Committee on Transportation and Infrastructure 99 results 99 United States. Congress. Senate. Committee on Commerce 98 results 98 Southwest Region University Transportation Center (U.S.) 97 results 97 United States. Bureau of Transportation Statistics 85 results 85 United States. War Department 81 results 81 National Research Council (U.S.). Transportation Research Board. Annual Meeting 79 results 79 United States. Congress. House. Committee on Appropriations 76 results 76 Transport and Road Research Laboratory 74 results 74 United States. Army Map Service 72 results 72 United States. Congress. House. Committee on Ways and Means 72 results 72 United States. Federal Transit Administration 71 results 71 see all…

English 11,825 results 11,825 Spanish 117 results 117 French 113 results 113 Russian 40 results 40 German 36 results 36 Undetermined 11 results 11 Italian 8 results 8 Portuguese 8 results 8 Chinese 7 results 7 Swedish 6 results 6 Polish 5 results 5 Arabic 4 results 4 Dutch 4 results 4 Multiple 4 results 4 Afrikaans 3 results 3 Czech 3 results 3 Azerbaijani 2 results 2 Croatian 2 results 2 Kazakh 2 results 2 Lithuanian 2 results 2 Romanian 2 results 2 Albanian 1 results 1 Armenian 1 results 1 Bosnian 1 results 1 Bulgarian 1 results 1 Elamite 1 results 1 Greek 1 results 1 Hungarian 1 results 1 Japanese 1 results 1 Korean 1 results 1 see all…

United States 4,247 results 4,247 Texas 445 results 445 Great Britain 284 results 284 Europe 144 results 144 California 125 results 125 Canada 115 results 115 England 110 results 110 Mexico 99 results 99 New York (State) 95 results 95 Alaska 87 results 87 Developing countries 69 results 69 France 68 results 68 London 52 results 52 Australia 50 results 50 Germany 39 results 39 China 36 results 36 Soviet Union 34 results 34 West (U.S.) 34 results 34 Massachusetts 32 results 32 États-Unis 32 results 32 Illinois 30 results 30 India 30 results 30 London (England) 29 results 29 Canal Zone 26 results 26 Pennsylvania 25 results 25 Japan 24 results 24 Washington (D.C.) 24 results 24 Florida 22 results 22 Panama Canal (Panama) 22 results 22 Scotland 22 results 22 see all…