• Bureau of Transportation Statistics

• Federal Highway Administration

• Federal Railroad Administration

• Federal Transit Administration

• FTA's Bus Testing Program

• National Transportation Library

• U.S. Bureau of Labor Statistics

• U.S. Bureau of the Census Foreign Trade Division

• U.S. Customs Service

• U.S. Department of Transportation

• U.S. Environmental Protection Agency

• U.S. House Committee on Transportation and Infastructure

• U.S. Railroad Retirement Board

• U.S. Senate Committee on Commerce, Science and Transportation

Professional Organizations

Institute of 
Transportation Engineers

The Leading Source for Information, Education and Certification 
for Public Safety