Overlooking the Tejon Ranch early in the morning, we can see two freights meeting on the Allard Horseshoe, one an SP eastbound, the other a Santa Fe pig heading for the San Joaquin Valley. Springtime on Tehachapi can be spectacular if the rains have been merciful.
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.