|Airports||Intercity Rail Service|
|Heavy Rail Transit||9||12|
|Light Rail Transit||5||12|
KEY: NA = not applicable. The number of rail stations served by intercity rail and the number of airports served by air service are not shown since those numbers do not represent intermodal connections.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Preliminary Intermodal Connectivity Database, July 2007.