7K views · 250 reactions | Tehachapi Pass Train Loop! This is one of the most important engineering marvels in California railroad history. This loop de loop allows locomotive carrying heavy loads to travel from LA to San Francisco. | John Bartell | Facebook

A long Southern Pacific train drops down Tehachapi Loop and in an awesome moment, repeated countless times over the years, it passes under itself. From the WB Video Productions show "Tehachapi 1988" https://rfd.video/T1988 | Railfan Depot

212K views · 319 shares | From the cab of Santa Fe train #199, we see an upgrade Southern Pacific train at Bealville, CA on Tehachapi Pass. From the Pentrex show "Cajon Pass & Tehachapi Loop" https://rfd.video/SoCal | Railfan Depot | Facebook

3.2K views · 15 reactions | A Railway That Defied Granite And...

The famous Tehachapi Loop is located in the Tehachapi Mountains of California and is a spiral loop on the Union Pacific Railroad (originally built by the Southern Pacific Railroad in the 1870s). The loop allows trains to manage a significant elevation gain over a relatively short distance. What makes it particularly famous is that long trains (over 4,000 feet) can actually pass over themselves as they navigate the loop. An average of 36 trains per day pass though here. The Tehachapi Loop has a 2