A cut of empty hoppers fills out the front part of westbound Q359's consist. Q359 has just exited Sand Patch Tunnel and rolls through the cut approaching Sand Patch Tower. The hot exhaust blurs the signals protecting the tunnel.
The EMD SD (special duty) series are a strong and reliable kind of locomotive which still serve America's rails today. They have proved themselves reliable by clocking in several million miles of freight service over several decades.