1-2 Transportation Facilities
number
| Mode | 2003 | 2013 |
|---|---|---|
| Air | ||
| Certificated airportsa | 628 | 542 |
| General aviation airports | 18,953 | 18,911 |
| Highway | ||
| Bridges | 591,922 | 607,708 |
| Pipeline | ||
| LNG facilities | U | 118 |
| Rail | ||
| Amtrak stations | 526 | 512 |
| Transit rail | ||
| Commuter rail stations | 1,160 | 1,481 |
| Heavy rail stations | 1,023 | 1,044 |
| Light rail stationsb | 614 | 941 |
| Water | ||
| Portsc | 187 | 182 |
| Cargo handling docksd | * | 8,231 |
| Lock chambers | 257 | 239 |
*2003 cargo handling docks number is omitted because it is not comparable to 2013 number due to a change in data collection methodology.
aCertificated airports serve air carrier operations with aircrafts seating more than nine passengers. bLight Rail was revised beginning in 2011. cPorts handling over 250,000 short tons. dData for 2003 and 2013 are not comparable due to changes in data coverage.
Key: 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 www.bts.gov as of September 2015. Pipeline–U.S. Department of Transportation, Pipeline and Hazardous Materials Administration, available at phmsa.dot.gov/pipeline/library/data-stats as of September 2015. Transit–U.S. Department of Transportation, National Transit Database, available at www.ntdprogram.gov as of September 2015. Water–U.S. Army Corps of Engineers, Navigation Data Center, available at www.navigationdatacenter.us as of September 2015.