Library of the Institute of Transportation Studies at the University of California, Berkeley.

Oversees federal highway, air, railroad, and maritime and other transportation administration functions; components include the FAA, FHA, FRA, NHTSA, OIG, and STB. Site links to related agencies and organizations, safety resources, and current news.

Canadian agency responsible for investigating air, marine, rail and pipeline accidents.

Develops and administers policies, regulations and services for the transportation system. Information on modes of transport, environment, emergencies, and media.