A hot Santa Fe 199 train crosses the salt swamp between Port Chicago and Avon, and passes the old but profitable Tosco Oil Refinery. Tosco was famous at this time for being one of the few refineries making jet fuel, which caused its stock to soar for a time. In a mile or so, the train will hit the 1.0 percent grade that climbs to Franklin Canyon.
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.