United States Transportation 1997

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

Highways
total : 6,261,154 km
paved: 3,759,516 km (including 88,500 km of expressways)
unpaved: 2,501,638 km (1995 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: 305 ships (1,000 GRT or over) totaling 10,319,000 GRT/14,454,000 DWT
ships by type : bulk 15, cargo 22, chemical tanker 16, intermodal 119, liquefied gastanker 14, passenger-cargo 3, tanker 104, tanker tug-barge 12
note: in addition, there are 193 government-owned vessels (1996 est.)

Airports 13,396 (1996 est.)

Airports - with paved runways
total: 11,677
over 3,047 m: 180
2,438 to 3,047 m: 201
1,524 to 2,437 m: 1,217
914 to 1,523 m: 2,354
under 914 m : 7,725 (1996 est.)

Airports - with unpaved runways
total: 1,719
over 3,047 m: 1
2,438 to 3,047 m: 7
1,524 to 2,437 m : 152
914 to 1,523 m: 1,559 (1996 est.)

Heliports 103 (1996 est.)

NOTE: The information regarding United States on this page is re-published from the 1997 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of United States Transportation 1997 information contained here. All suggestions for corrections of any errors about United States Transportation 1997 should be addressed to the CIA.