A BN EMD SD40-2 leads two ATSF GE units on westbound empty coal gondolas and are about to cross the Union Pacific main line. The embankment behind is for the new BN bridge over the UP which is almost finished.
The EMD SD (special duty) series are a strong and reliable kind of locomotive which still serve America's rails today. They have proved themselves reliable by clocking in several million miles of freight service over several decades.