(Source: Interesting Engineering, February 11, 2017)
NEW YORK — Stretching for 1.17km, the Tehachapi Loop is a long spiral or helix stretch of railway in Kern County, California. It is located on the Union Pacific Railroad Mojave Subdivision running through Tehachapi Pass. This section of railroad connects Bakersfield and the San Joaquin Valley to Mojave in the Mojave Desert. It is one of the busiest single-track stretches of rail in the world and sees around 40 trains a day. In the US, the frequency of trains and beautiful scenery makes the Tehachapi Loop one of the favored destinations of rail enthusiasts. The loop was recognized as a National Historic Civil Engineering Landmark in 1998. It was also registered in 1953 as a Californian Historical Landmark, number 508 if you are interested.
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