Railways: total: 1,370,782 km (2006)
Highways:
Waterways: 671,886 km (2004)
Pipelines:
Ports and harbors:
Merchant marine:
Airports: total airports - 49,024 top ten by passengers: Atlanta (ATL) - 89,379,287; Chicago (ORD) - 76,177,855; London (LHR) - 68,068,304; Tokyo (HND) - 66,823,414; Los Angeles (LAX) - 61,896,075; Paris (CDG) - 59,922,177; Dallas/Fort Worth (DFW) - 59,786,476; Frankfurt (FRA) - 54,161,856; Beijing (PEK) - 53,583,664; Madrid (MAD) - 52,122,702 top ten by cargo (metric tons): Memphis (MEM) - 3,840,491; Hong Kong (HKG) - 3,773,964; Anchorage (ANC) - 2,825,511; Shanghai (PVG) - 2,559,310; Inch'on (ICN) - 2,555,580; Paris (CDG) - 2,297,896; Tokyo (NRT) - 2,254,421; Frankfurt (FRA) - 2,127,646; Louisville (SDF) - 2,078,947; Miami (MIA) - 1,922,985 (2007)
Airports - with paved runways:
Airports - with unpaved runways:
Heliports: 1,359 (2007)