U.S. Department of Transportation
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.
http://www.dot.gov/

Transport Canada
Develops and administers policies, regulations and services for the transportation system. Information on modes of transport, environment, emergencies, and media.
http://www.tc.gc.ca/

Harmer E. Davis Transportation Library
Library of the Institute of Transportation Studies at the University of California, Berkeley.
http://www.lib.berkeley.edu/ITSL/

The National Transportation Library
Provides online access to documents and databases covering all aspects of transportation in the US. Material comes from public and private organizations and access is free.
http://ntl.bts.gov

Trans Pixs Worldwide
Photos of all transportation modes, including railroads, rapid transit, city and intercity bus, commercial and military aviation, shipping, trucking.
http://www.transpixs.com/

Fleetbrowser.com
Provides resources on the commercial vehicle, transport and logistics industry.
http://www.fleetbrowser.com/

MyYellow.com
Provides transportation and logistics tools and services.
http://www.myyellow.com/

Amerijet International
Global cargo transportation services by land, sea, and air.
http://www.amerijet.com/

Röhlig
Multinational network whose core business is intercontinental sea and airfreight, but also offers land transport and project business. Provides online the latest status on the location of consignments. Company profile, services offered.
http://www.rohlig.com/

Transportation Research Board
Promoting innovation and progress in transportation through research. The Board fulfills this mission through the work of some 200 standing technical committees and task forces that address all modes and aspects of transportation.
http://gulliver.trb.org/