Showing here is a portion of the schedule for the San Joaquin Daylight for the segment during which it traversed the so-called “Mococo Line” (from MOuntain COpper COmpany) from Martinez to Tracy and back again, excerpted from the Southern Pacific’s official Timetable #10, issued on May 12, 1968.

Following the SP’s practice of designating “east” and “west” on its timetables based on the location of its Market Street corporate headquarters in San Francisco, the “eastward” San Joaquin Daylight (Train 52, originating in Oakland) is actually heading south to Los Angeles, while the “westward” return trip (Train 51, originating in L.A.) is heading north to Oakland.

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