Railways
total: 240,000 km mainline routes (nongovernment owned)
standard gauge: 240,000 km 1.435-m gauge (1989)

Highways
total: 6.42 million km
paved: 3,903,360 km (including 88,400 km of expressways)
unpaved: 2,516,640 km (1996 est.)

Waterways 41,009 km of navigable inland channels, exclusive of the Great Lakes

Pipelines petroleum products 276,000 km; natural gas 331,000 km (1991)

Ports and harbors Anchorage, Baltimore, Boston, Charleston, Chicago, Duluth, Hampton Roads, Honolulu, Houston, Jacksonville, Los Angeles, New Orleans, New York, Philadelphia, Port Canaveral, Portland (Oregon), Prudhoe Bay, San Francisco, Savannah, Seattle, Tampa, Toledo

Merchant marine
total: 286 ships (1,000 GRT or over) totaling 9,627,000 GRT/13,257,000 DWT
ships by type: bulk 15, container 79, chemical tanker 15, roll-on/roll-off 28, liquefied gas tanker 13, cruise/passenger 3, tanker 94, tanker tug-barge 12, other 27
note: in addition, there are 192 government-owned vessels (1997 est.)

Airports 14,574 (1997 est.)

Airports - with paved runways
total: 5,167
over 3,047 m: 181
2,438 to 3,047 m: 218
1,524 to 2,437 m: 1,280
914 to 1,523 m: 2,450
under 914 m: 1,038 (1997 est.)

Airports - with unpaved runways
total: 9,407
over 3,047 m: 1
2,438 to 3,047 m: 6
1,524 to 2,437 m: 164
914 to 1,523 m: 1,686
under 914 m: 7,550 (1997 est.)

Heliports 109 (1997 est.)

NOTE: The information regarding United States on this page is re-published from the 1998 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of United States Transportation 1998 information contained here. All suggestions for corrections of any errors about United States Transportation 1998 should be addressed to the CIA.