| Railways: |
total:
225,750 km mainline routes
standard gauge:
225,750 km 1.435-m gauge (1999)
|
| Highways: |
total:
6,370,031 km
paved:
5,733,028 km (including 74,091 km of expressways)
unpaved:
637,003 km (1997)
|
| Waterways: |
41,009 km
note:
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:
376 ships (1,000 GRT or over) totaling 10,814,622 GRT/14,416,517 DWT
ships by type:
barge carrier 9, bulk 68, cargo 29, chemical tanker 13, combination bulk 3, container 80, liquefied gas 1, multi-functional large-load carrier 3, passenger 9, passenger/cargo 1, petroleum tanker 98, roll on/roll off 49, short-sea passenger 3, specialized tanker 1, vehicle carrier 9 (2000 est.)
|
| Airports: |
14,720 (2000 est.)
|
| Airports - with paved runways: |
total:
5,174
over 3,047 m:
182
2,438 to 3,047 m:
220
1,524 to 2,437 m:
1,331
914 to 1,523 m:
2,440
under 914 m:
1,001 (2000 est.)
|
| Airports - with unpaved runways: |
total:
9,546
over 3,047 m:
3
2,438 to 3,047 m:
6
1,524 to 2,437 m:
164
914 to 1,523 m:
1,675
under 914 m:
7,698 (2000 est.)
|
| Heliports: |
131 (2000 est.)
|
|
