. Index 

. Flag  

. Geography  

. People 

. Government  

. Economy  

. Transportation  

. Commun'tions  

. Defense  

. Gender Issues  

. HR Issues  

. Media  

. Relevant Links  

. Feedback  

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• Railroads: 
 
total: 
240,000 km mainline routes (nongovernment owned) 
 
standard gauge: 
240,000 km 1.435-m gauge (1989) 
 
• Highways: 
 
total: 
6,243,163 km 
 
paved: 
3,633,520 km (including 84,865 km of expressways) 
 
unpaved: 
2,609,643 km (1990) 
 
• Inland waterways: 
41,009 km of navigable inland channels, exclusive of the Great Lakes (est.) 
 
• Pipelines: 
petroleum 276,000 km; natural gas 331,000 km (1991) 
 
• Ports: 
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: 
354 ships (1,000 GRT or over) totaling 11,462,000 GRT/16,477,000 DWT 
 
ships by type: 
bulk 22, cargo 28, chemical tanker 16, intermodal 130, liquefied gas tanker 13, passenger-cargo 2, tanker 130, tanker tug-barge 13 
 
note: 
in addition, there are 189 government-owned vessels 
 
• Airports: 
 
total: 
15,032 
 
with paved runways over 3,047 m: 
181 
 
with paved runways 2,438 to 3,047 m: 
208 
 
with paved runways 1,524 to 2,437 m: 
1,242 
 
with paved runways 914 to 1,523 m: 
2,489 
 
with paved runways under 914 m: 
8,994 
 
with unpaved runways over 3,047 m: 
1 
 
with unpaved runways 2,438 to 3,047 m: 
7 
 
with unpaved runways 1,524 to 2,438 m: 
180 
 
with unpaved runways 914 to 1,523 m: 
1,730