|Total Terminals||With Connections||Percent|
|Intercity Rail, 48 States||505||274||54.3|
|Airports, 48 States||435||150||34.5|
|Intercity Rail AK||22||7||31.8|
NOTE: Only 46 of the mainland states plus the District of Columbia have intercity rail service; South Dakota and Wyoming are not served. Intercity rail service is the city-to-city service operated by Amtrak and the Alaska Railroad. It does not include metropolitan area commuter trains.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Preliminary Intermodal Connectivity Database, July 2007.