SD40-2 3539 leads SD60 6052 and SD40-2s 3594 and 3605 downgrade.
Re numbered SD9043mac 3539 leads a southbound unit cement train under Hwy 58 at Woodford as it climbs Tehachapi Pass.
UP 3539 grinds through Cable as it climbs the last miles of the Tehachapi grade towards Summit.
Dropping downgrade into Mojave, the RSTMJC leaves the Tehachapi Mountains behind.
An empty rail-laying train awaits a crew to return the trainset for reloading.
