Construction of Southern Pacific’s
 Colton-Palmdale Cutoff

1966-1967

The line in use at Sullivan’s Curve. Santa Fe’s Super C is overtaking helpers on an SP freight as both head toward the summit of Cajon Pass. Super C is eastbound by timetable direction, while the SP freight is westbound (heading toward San Francisco).

In 1966 and 1967, Southern Pacific provided a rare spectacle for me – construction of a brand-new main line.

In 1876, the railroad completed its San Joaquin Line from Central California over the Tehachapi Mountains to Los Angeles, then it proceeded to build the Sunset Route east toward El Paso and New Orleans. However, by the middle of the Twentieth Century, the Los Angeles area had become a bottleneck for traffic to the southeast, so SP planned a bypass. Read more