raffic throughout country
international: 24 ocean cable systems in use; satellite earth
stations--61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5
Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and
Atlantic Ocean regions) (1990 est.)

Radio broadcast stations: AM 4,987, FM 4,932, shortwave 0

Radios: 540.5 million (1992 est.)

Television broadcast stations: more than 1,500 (including nearly
1,000 stations affiliated with the five major networks--NBC, ABC,
CBS, FOX, and PBS; in addition, there are about 9,000 cable TV
systems) (1997)

Televisions: 215 million (1993 est.)

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.)

Military

Military branches: Department of the Army, Department of the Navy
(includes Marine Corps), Department of the Air Force
note: the Coast Guard falls under the Department of Transportation,
but in wartime reports to the Department of the Navy

Milita