Railroads: 270,312 km

Highways: 6,365,590 km, including 88,641 km expressways

Inland waterways: 41,009 km of navigable inland channels, exclusive of the Great Lakes (est.)

Pipelines: 275,800 km petroleum, 305,300 km natural gas (1985)

Ports: Anchorage, Baltimore, Beaumont, Boston, Charleston, Cleveland, Duluth, Freeport, Galveston, Hampton Roads, Honolulu, Houston, Jacksonville, Long Beach, Los Angeles, Milwaukee, Mobile, New Orleans, New York, Philadelphia, Portland (Oregon), Richmond (California), San Francisco, Savannah, Seattle, Tampa, Wilmington

Merchant marine: 373 ships (1,000 GRT or over) totaling NA GRT/NA DWT); includes 2 passenger-cargo, 37 cargo, 22 bulk, 165 tanker, 13 tanker tug-barge, 10 liquefied gas, 124 intermodal; in addition there are 248 government-owned vessels

Civil air: 3,297 commercial multiengine transport aircraft, including 2,989 jet, 231 turboprop, 77 piston (1985)

Airports: 15,422 in operation (1981)

Telecommunications: 182,558,000 telephones; stations--4,892 AM, 5,200 FM (including 3,915 commercial and 1,285 public broadcasting), 7,296 TV (including 796 commercial, 300 public broadcasting, and 6,200 commercial cable); 495,000,000 radio receivers (1982); 150,000,000 TV sets (1982); satellite earth stations--45 Atlantic Ocean INTELSAT and 16 Pacific Ocean INTELSAT

NOTE: The information regarding United States on this page is re-published from the 1990 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of United States Communications 1990 information contained here. All suggestions for corrections of any errors about United States Communications 1990 should be addressed to the CIA.