total: 240,000 km mainline routes (nongovernment owned), standard gauge (1.435 m) (1989)
See also Transportation in the United States.
... 15.3 km² (5.9 mi²) of it is land and 1.0 km² (0.4 mi²) of it is water. The total area is 6.21% water. Demographics As of the census of ...