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United States Transportation

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

    Highways:
    total: 6.42 million km
    paved: 3,903,360 km (including 88,400 km of expressways)
    unpaved: 2,516,640 km (1996 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: 385 ships (1,000 GRT or over) totaling 11,123,848 GRT/15,255,996 DWT
    ships by type: barge carrier 10, bulk 61, cargo 28, chemical tanker 13, combination bulk 2, container 83, liquefied gas tanker 9, multifunctional large-load carrier 3, oil tanker 114, passenger 7, passenger-cargo 1, roll-on/roll-off cargo 43, short-sea passenger 3, specialized tanker 1, vehicle carrier 7 (1998 est.)

    Airports: 14,459 (1998 est.)

    Airports—with paved runways:
    total: 5,167
    over 3,047 m: 180
    2,438 to 3,047 m: 219
    1,524 to 2,437 m: 1,294
    914 to 1,523 m: 2,447
    under 914 m: 1,027 (1998 est.)

    Airports—with unpaved runways:
    total: 9,292
    over 3,047 m: 1
    2,438 to 3,047 m: 6
    1,524 to 2,437 m: 156
    914 to 1,523 m: 1,647
    under 914 m: 7,482 (1998 est.)

    Heliports: 122 (1998 est.)

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Revised 1-Mar-99
Copyright © 1999 Photius Coutsoukis (all rights reserved)