At the height of the coal in the mid-2000s, UP added roughly 15 miles of triple track over Myles Hill on the Powder River Sub. With the drop off in coal, UP decided the maintenance costs of the third main no longer made sense, and in 2024, UP started lifting the rails on Main 1. As you can see in this overhead shot, the rails are completely gone from Main 1. The only stretch of Main 1 that is still in tact is between Lost Springs and Shawnee, and that section of Main 1 is being used for car storage.
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