The Marvelous Engineering Feat “Tehachapi Loop”

The 1.17 km long Tehachapi Loop is an iconic spiral loop, that passes over itself as it expansions height on the railroad main line from side to side Tehachapi Pass, in south central California. The Tehachapi loop was actually built in the 2nd half of the 19th century as part of Southern Pacific’s main line through southern California, which had to cross the Tehachapi Mountain range. It was…