While on a road trip in California and Arizona, I happened to catch the hottest train on BNSF's system. This is the ZNBYWSP9-25A, which is mainly composed of UPS, FedEx, and Amazon trailers. The train is on Main 1 here, just west of Kingman, AZ. Main 1 and Main 2 are on two different grades here, so Main 2 is not in sight.
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