Internet country code:
.us
Internet hosts:
115,311,958 (2002)
Internet Service Providers (ISPs):
7,000 (2002 est.)
Internet users:
159 million (2002)
Transportation United States
Railways: total: 228,464 km standard gauge: 228,464 km 1.435-m gauge (2003)
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 (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 (2004)
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