Meandering one of many "S" curves of Donner Pass, former SP 119 now UP 6223 lead an eastbound autorack train up the West Slope.
Amtrak No. 6 roars up the stiff grade at Towle between classic SP target signals.
An SP eastbound headed for the UP at Ogden, UT, roars through a summer downpour in the Sierra Nevada Mountains.
An eastbound stack train slugs its way up Track # 2 toward Donner Pass on the Union Pacific's Roseville Subdivision.
An eastbound auto train roars through a cut at Towle after crossing Interstate 80.
SD45 9026 adds braking power to a westbound at Towle. The 45 was put on the rear at Sparks, Nevada.
A rear helper assists an eastbound up the heavy grade at Towle.
A rear helper adds braking power to a heavy westbound.
9202 West rounds the sweeping curve at Towle with new ties strewn along the right of way awaiting installment.
A mid-train helper assists an eastbound up the western slope of Donner Pass.
SP 8444 leads an eastbound up the 2.2 percent grade at Towle, just east of Alta.
SP 201 East roars through a cut at Towle, its two ACs' traction motors unaffected by the eastbound's slow pace in climbing the grade.
Rounding a curve where new ties are about to be installed, 8452 West heads downgrade through Towle on its way to Roseville.
Making an unusual sight as well as unusual sound, a quartet of GP9Es help make up an eastbound swing helper on Donner Pass.