1-2 Transportation Facilities



Mode 2001 2011
Certificated airportsa 635 547
General aviation airports 18,721 19,235
Bridges 589,673 605,087
LNG facilities U 130
Amtrak stations 512 517
Transit rail    
Commuter rail stations 986 1,219
Heavy rail stations 1,019 1,041
Light rail stations 613 895
Portsb U 179
Cargo handling docks U 8,197
Lock chambers 275 239

aCertificated airports serve air carrier operations with aircrafts seating more than nine passengers. bPorts handling over 250,000 short tons.

Key: LNG = liquified natural gas; U = Data are unavailable.

Sources: Air, Highway, Rail–U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, tables 1-3, 1-7, and 1-28, available at www.bts.gov as of October 2013. Pipeline–U.S. Department of Transportation, Pipeline and Hazardous Materials Administration, available at phmsa.dot.gov/pipeline/library/data-stats as of October 2013. Transit–U.S. Department of Transportation, National Transit Database, available at www.ntdprogram.gov as of October 2013. Water–U.S. Army Corps of Engineers, Navigation Data Center, available at www.navigationdatacenter.us as of October 2013.