The Tehachapi Loop is an iconic spiral loop , 1.17 km long , that passes over itself equally it gains superlative on the railroad top dog occupation through Tehachapi Pass , inward due south key California. The loop was constructed inward the latter one-half of the 19th century equally job of Southern Pacific's top dog occupation through southern California , which had to cross the Tehachapi Mountain range. More than three ,000 Chinese immigrant laborers toiled for 2 years cutting through the corporation granite alongside blasting pulverisation , as well as and thus clearing the debris using picks , shovels , as well as Equus caballus drawn carts , to seat the Tehachapi Pass Railroad Line. The occupation , which climbs out of the San Joaquin Valley as well as through the Tehachapi Mountains to Mojave inward the Antelope Valley , was job of the in conclusion as well as in conclusion link of the laid out railroad occupation connecting San Francisco to Los Angeles.
Brusio Spiral Viaduct inward Switzerland
Photo credit: Chris Starnes
Photo credit: Roger Snyder
Photo credit: Steve Schmollinger
Photo credit: Roger Snyder
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Sources: Wikipedia / American-Rails.com / www.letsgoseeit.com