The Wimmer special continues the uphill climb at the Tehachapi Loop with ex-SP office car Sunset coupled behind the UP 6936.

Sun tries to break through the cloud cover at Woodford as the Wimmer special works its way south on the UP's Mojave Sub.

Climbing higher into the Tehachapi mountains, UP 6936 heads into Tunnel 3 just around the bend from the south switch at Bealville.

Despite its long wheelbase, the big Centennial takes the sharp curve into Tunnel 2 with ease as it powers the Wimmer Engineering special across the Tehachapi mountains.

Under gloomy skies in the Tehachapi mountains, the Wimmer special approaches a work site at Ilmon on the UP's Mojave Sub.

The signals at Sandcut project their warning through the fog as a southbound freight prepares to start the climb up the Tehachapi grade.

A general freight decends Sandcut to Bena with two ES44DC DPUs on a sunny afternoon.

A westbound goes around the loop. Behind is an eastbound intermodal awaiting for the westbound at Woodford.

Ascends to Criff. Third unit is GP30U (BNSF 2413).

A UP drag freight bound for Roseville winds its way through the Marcel area as it approaches Tunnel 10 and Walong.

A clean GEVO wedgie leads a heavy northbound BNSF auto train downgrade through Bealville in the Tehachapi mountains.

Just above the south switch at Rowen siding, a northbound BNSF auto train works downgrade toward Cliff and Bealville.

Captured a few minutes before at Tunnel 2, our southbound manifest led by BNSF 5294 pops out of Tunnel 5 and by the north switch Cliff in the Tehachapi mountains.

Between Monolith and Cameron, a southbound doublestack approaches the old station site of Eric on the Mojave Sub. In the distance is the cement plant at Monolith.

On a clear late Spring morning, a southbound BNSF manifest drops downgrade toward Mojave as it negotiates the sweeping curve at Warren.