Dark clouds drift above the Wasatch Range while Union Pacific's KMNOA awaits departure from Echo.

Tucked away in the passing siding at Echo, Union Pacific's Marion, AR to Oakland, CA stacker awaits its eastward counterpart to arrive from Ogden. Note the big track maintenance of way blitz under... (more)

Crossing over the old Southern Pacific bridge on the Sunset Route.

UP 7636 has an eastbound Z train at the track speed of 65mph nearing the city of Maricopa, AZ.