A westbound Union Pacific coal empty climbs through the Tunnel District at South Draw just east of Crescent, Colorado, on May 14, 2017. The train snakes through five tunnels at once, twisting through tunnel Nos. 12 through 16, as the power passes the site of former Tunnel 17 (abandoned after collapse during construction) and will soon be entering “new” 1,752-foot Tunnel 17.
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.
