On August 8, 1967 Southern Pacific FP7 6455 and a B-unit arrived with a nine-car No. 99 the Los Angeles-bound Coast Daylight, crossing the ATSF tracks at Mission Junction near the Los Angeles Union Station. Photo by Emery Gulash, from my collection.
In the years after World War II Southern Pacific went from being the most bullish railroad on passenger service to one of its biggest detractors. It continually downgraded service until Amtrak took over what remained.