Transportation Facilities

number
Mode 2009 2019
Air
Certificated airportsa
559
522
General aviation airports
19,191
19,117
Highway
Bridges
603,310
617,084
Pipeline
LNG facilities
U
163
Rail
Amtrak stations
511
526
Transit rail
Commuter rail stations
1,214
1,300
Heavy rail stations
1,041
1,055
Light rail stationsb
836
1,267
Water
Portsc
184
185
Cargo handling docksd
8,184
8,250
Lock chambers
238
237

Notes:

aCertificated airports serve air carrier operations with aircrafts seating more than nine passengers. bLight Rail was revised beginning in 2011 and includes light rail, street car rail, and hybrid rail. cPorts handling over 250,000 short tons. dData for 2008 and 2018 are not comparable due to changes in data coverage. 

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

Sources:

Air, Highway, Rail—As cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics, tables 1-3, 1-7, and 1-28 available at https://www.bts.gov/nts. Pipeline—U.S. Department of Transportation, Pipeline and Hazardous Materials Administration, available at https://www.phmsa.dot.gov/. Transit—U.S. Department of Transportation, National Transit Database, available at https://www.transit.dot.gov/ntd/. Water—U.S. Army Corps of Engineers, Navigation Data Center, Transportation Facts and Information, available at http://www.navigationdatacenter.us/.

Last Updated: August 2021