Local and Suburban
Schedules, maps, and other information for local and suburban transit services, including commuter rail and bus services between city centers and suburban areas.

Intercity
Schedules, maps, reservations, and other information for intericty transportation services, including airlines, railroads, intercity buses, and ground transportation to/from airports.

Resources for the Professional
Transportation resources for the transportation professional, including reports, statistics, and other useful research available on the Internet.

Resources for the Enthusiast
Transportation resources for the transportation enthusiast, including railfan information, rosters, and other materials useful to the enthusiast.

North America Ed.
The Transportation Directory services for the North American continent.