Rail transportation in the United States
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Rail transportation in the United States consists primarily of freight shipments along a well integrated network of standard gauge private freight railroads that also extend into Canada and Mexico. The United States has the largest rail transport... Wikipedia
Freight: 1.71 trillion ton-mile (2014)
Longest tunnel: Cascade Tunnel, 7.8 miles (12.6 km)
Main: 1,435 mm (4 ft 8+1⁄2 in) standard gauge
Passenger km: 10.3 billion (2014)
Ridership: 549,631,632; 29 million (Amtrak only) (2014)
Total: 160,141 mi (257,722 km)