The Southern Transcon is a main line of the BNSF Railway comprising 11 subdivisions between Southern California and Chicago, Illinois. Completed in its current alignment in 1908 by the Atchison, Topeka and Santa Fe Railway, when it opened the Belen Cutoff in New Mexico (going through eastern New Mexico, northwestern Texas, briefly part of western Oklahoma and to Kansas) and bypassed the steep grades of Raton Pass (which passes through northeastern New Mexico and southwestern Colorado), it now serves as a mostly double-tracked intermodal corridor.
The Transcon is one of the most heavily trafficked rail corridors in the western United States: as of 2006, an average of almost 90 trains daily (over 100 trains on peak days) passed over the section between Belen and Clovis, New Mexico, with each train typically 6,000 to 8,000 feet (1,800 to 2,400 m) long.
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History
The Atchison, Topeka and Santa Fe Railway completed a railroad between Chicago and Southern California in the 1880s. Much of the route had already been constructed by subsidiaries. The line in California between Needles and Mojave was built by the Southern Pacific Railroad to meet the St. Louis and San Francisco Railway, which had built west from Isleta, New Mexico. They met at Needles with the line put into service in 1883. The Atlantic and Pacific Railroad, then essentially an operating subsidiary of the AT&SF, leased the line from the SP in August 1884, and in November 1885 the AT&SF-owned California Southern Railroad completed its line over Cajon Pass to the SP's Needles branch at Barstow, giving the AT&SF access to the west coast.