Completed in 1876, the Tehachapi Loop was a true feat of engineering in its day and has remained unchanged since its completion.
with a total rise in elevation ofs. At the base of the loop, the track passes through tunnel 9, the ninth tunnel built as the railroad worked from Bakersfield.
Hood chose to construct a loop here to pass over itself as a means of gaining elevation. Incredibly, the whole project was completed in a time before almost no heavy machinery existed. Good old dynamite and elbow grease, mainly. Hood's team used a combination of cut and fill methods to keep the grade no greater than. The entire project, of course, features a short tunnel and overpass.
This wasn't always the case, in the steam and passenger era, before 1971, passenger trains did run on the loop. Visitors or passengers could witness trains such as Southern Pacific's overnight Owl and Tehachapi snake around the loop.Its design and intent to gain elevation over a manageable gradient have worked so well, it's gone relatively unchanged for 125 years. It has been in regular use throughout this time.
So there you go, the Tehachapi Loop. What do you think about it? Would you like to visit it? Have you been there? We'd be interested to hear your anecdotes or, indeed, facts about this great piece of engineering.
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