Photos & Videos Photo of the Day SP piggyback train

SP piggyback train

By Mitch Horner | December 2, 2025

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For a time in the 1950s, Southern Pacific had the most extensive piggyback operations in the land. Here a train bound from Los Angeles to the San Francisco Bay Area climbs Santa Susana Pass near Chatsworth, Calif. Classic Trains coll.

2 thoughts on “SP piggyback train

  1. Let’s recall that TNO operated first Trailer-On-Flat-Car (TOFC, or “piggyback”) service on May 4, 1953. SP would follow almost two months later.

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