<hdr>The World Factbook 1994: United States<nl>Communications</hdr><body>
<list>
<item><hi format=bold>Railroads:</hi> 240,000 km of mainline routes, all standard 1.435 meter track, no government ownership (1989)
<item><hi format=bold>Highways:</hi>
<list style=hang>
<item>• <hi format=ital>total:</hi> 6,243,163 km
<item>• <hi format=ital>paved:</hi> 3,633,520 km (including 84,865 km of expressways)
<item>• <hi format=ital>unpaved:</hi> 2,609,643 km (1990)
</list>
<item><hi format=bold>Inland waterways:</hi> 41,009 km of navigable inland channels, exclusive of the Great Lakes (est.)
<item><hi format=bold>Pipelines:</hi> petroleum 276,000 km; natural gas 331,000 km (1991)
<item><hi format=bold>Ports:</hi> Anchorage, Baltimore, Beaumont, Boston, Charleston, Chicago, 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