Railways:
total: 194,731 km mainline routes
standard gauge: 194,731 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; excludes 135,185 km of yard tracks, sidings, and parallel lines (2000)
Highways:
total: 6,406,296 km
paved: 4,148,395 km (including 74,898 km of expressways)
unpaved: 2,257,902 km (2002)
Waterways:
41,009 km
note: navigable inland channels, exclusive of the Great Lakes
Pipelines:
petroleum products 244,620 km; natural gas 548,665 km (2003)
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: 466 ships (1,000 GRT or over) 12,436,658 GRT/14,630,116 DWT
by type: barge carrier 8, bulk 69, cargo 75, chemical tanker 12, combination bulk 2, combination ore/oil 1, container 100, multi-functional large load carrier 3, passenger 12, passenger/cargo 2, petroleum tanker 81, refrigerated cargo 3, roll on/roll off 83, short-sea/passenger 3, vehicle carrier 12
foreign-owned: Australia 2, Canada 7, Denmark 17, Malaysia 1, Netherlands 1, Norway 6, Singapore 3, United Kingdom 5
registered in other countries: 670 (2003 est.)
Airports:
14,807 (2003 est.)
Airports - with paved runways:
total: 5,128
over 3,047 m: 188
2,438 to 3,047 m: 221
914 to 1,523 m: 2,383
under 914 m: 961 (2003 est.)
1,524 to 2,437 m: 1,375
Airports - with unpaved runways:
total: 9,679
under 914 m: 7,796 (2003 est.)
over 3,047 m: 1
2,438 to 3,047 m: 7
914 to 1,523 m: 1,714
1,524 to 2,437 m: 161
Heliports:
155 (2003 est.)
