Airports:

14,947 (2007)

Airports - with paved runways:

total: 5,143
over 3,047 m: 191
2,438 to 3,047 m: 224
1,524 to 2,437 m: 1,452
914 to 1,523 m: 2,323
under 914 m: 953 (2007)

Airports - with unpaved runways:

total: 9,804
2,438 to 3,047 m: 7
1,524 to 2,437 m: 153
914 to 1,523 m: 1,732
under 914 m: 7,912 (2007)

Heliports:

146 (2007)

Pipelines:

petroleum products 244,620 km; natural gas 548,665 km (2006)

Railways:

total: 226,612 km
standard gauge: 226,612 km 1.435-m gauge (2005)

Roadways:

total: 6,430,366 km
paved: 4,165,110 km (includes 75,009 km of expressways)
unpaved: 2,265,256 km (2005)

Waterways:

41,009 km (19,312 km used for commerce)
note: Saint Lawrence Seaway of 3,769 km, including the Saint Lawrence River of 3,058 km, shared with Canada (2007)

Merchant marine:

total: 442 ships (1000 GRT or over) 10,486,942 GRT/12,537,108 DWT
by type: barge carrier 6, bulk carrier 61, cargo 83, carrier 2, chemical tanker 22, container 81, passenger 20, passenger/cargo 61, petroleum tanker 56, refrigerated cargo 3, roll on/roll off 25, vehicle carrier 22
foreign-owned: 69 (Australia 2, Denmark 31, Germany 5, Malaysia 3, Netherlands 1, Norway 9, Singapore 12, Sweden 5, UK 1)
registered in other countries: 725 (Antigua and Barbuda 8, Australia 2, Bahamas 108, Belize 1, Bermuda 23, Cambodia 6, Canada 10, Cayman Islands 42, Comoros 2, Cyprus 6, Ecuador 1, Greece 8, Honduras 1, Hong Kong 29, Ireland 2, Isle of Man 4, Italy 17, Liberia 105, Luxembourg 4, Malta 14, Marshall Islands 120, Netherlands 13, Netherlands Antilles 1, Norway 8, Panama 123, Puerto Rico 3, Russia 1, Singapore 18, South Korea 7, St Vincent and the Grenadines 19, Trinidad and Tobago 1, Tuvalu 1, UK 13, Vanuatu 1, unknown 3) (2008)

Ports and terminals:

Corpus Christi, Duluth, Hampton Roads, Houston, Long Beach, Los Angeles, New York, Philadelphia, Tampa, Texas City