Railways
total: 212,433 km mainline routes
standard gauge: 212,433 km 1.435-m gauge
note: represents the aggregate length of roadway of all line-haul railroads including an estimate for Class II and III railroads (1998)

Highways
total: 6,370,031 km
paved: 5,733,028 km (including 74,091 km of expressways)
unpaved: 637,003 km (1997)

Waterways 41,009 km
note: 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: 264 ships (1,000 GRT or over) totaling 6,911,641 GRT/9,985,660 DWT
ships by type: barge carrier 1, bulk 11, cargo 14, chemical tanker 16, collier 1, combination bulk 4, combination tanker 11, container 86, multi-functional large-load carrier 4, passenger/cargo 2, petroleum tanker 81, roll on/roll off 28, specialized tanker 3, vehicle carrier 2
note: includes some foreign-owned ships registered here as a flag of convenience: Australia 1, Canada 4, Denmark 15, France 1, Germany 1, Netherlands 3, Norway 7, Puerto Rico 4, Singapore 11, Sweden 1, United Kingdom 3 (2002 est.)

Airports 14,695 (2001)

Airports - with paved runways
total: 5,127
over 3,047 m: 183
2,438 to 3,047 m: 222
914 to 1,523 m: 2,413
under 914 m: 967 (2001)
1,524 to 2,437 m: 1,342

Airports - with unpaved runways
total: 9,568
under 914 m: 7,716 (2001)
over 3,047 m: 1
2,438 to 3,047 m: 7
914 to 1,523 m: 1,679
1,524 to 2,437 m: 165

Heliports 132 (2001)

NOTE: The information regarding United States on this page is re-published from the 2002 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of United States Transportation 2002 information contained here. All suggestions for corrections of any errors about United States Transportation 2002 should be addressed to the CIA.