# Web Link Hits 1 American Association of State Highway and Transportation Officials (AASHTO) 516 2 Bureau of Transportation Statistics 475 3 Federal Aviation Administration 471 4 Federal Highway Administration 432 5 Federal Railroad Administration 459 6 Federal Transit Administration 481 7 Institute of Transportation Engineers 471 8 National Corridors Initiative 512 9 Surface Transportation Policy Project 727 10 Transportation Research Board 520 11 United States Department of Transportation 451 12 Alternative fuels Data Center 469 13 Manual on Uniform Traffic Control Devices 452 14 Federal Highway Walking web site 450 15 National Highway Traffic Safety Administration (NHTSA) 495 16 FHWA Turner-Fairbank Highway Research Center 481 17 U.S. Dept. of Transportation Walk/Bicycle Information Clearinghouse 470 18 NH Department of Transportation (NH DOT) 485 19 SmarTraveler 459 20 Institute of Transportation Engineers – New England Section 599