Pacific Coast Railway wood box car at San Luis Obispo, California, California, in 1938. Pacific Coast Railway boxcars at San Luis Obispo, California, 1938. Other Subject Classes: wood box car.

Pacific Coast Railway wood caboose number 2 in California, circa 1928. Other Subject Classes: wood caboose.

Pacific Coast Railway wood caboose number 3 at San Luis Obispo, California, California, in June 1946. Abandoned, June 1946. Other Subject Classes: wood caboose.

Pacific Electric Railway Company electric locomotive 1544 on display with other streetcars at Los Angeles, California on August 06, 1973. The nose of a Sperry electric locomotive shows in the background. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive

Pacific Electric Railway Company streetcar 1498 on display with other street railroad equipment at Los Angeles, California on August 06, 1973. Photo by J.M. Fredrickson. Other Subject Classes: streetcar

Pacific Electric Railway Company streetcar 898 assigned to the Venice, Ocean Park, Santa Monica route at Los Angeles, California, circa 1920. The crew poses for a picture with the Victorian roof line in the background. J.M. Fredrickson collection. Other Subject Classes: streetcar

Pacific Fruit Express Alco S-4 diesel locomotive number 1023 parked at Roseville, California, circa 1970. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Pacific Fruit Express Alco S-4 diesel locomotive number 1023 parked at Roseville, California, circa 1970. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Pickering Lumber Company two-truck Hiesler steam locomotive number 2 on display at Tuolumne, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, logging locomotive, display.

Quincy Railroad Alco S-1 diesel locomotive number 4 parked at Quincy, California, on August 19, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , switching locomotive.