Short facts about transportation in United States
| 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.) | Source: World Factbook |
