NS 881 crosses the CSX ex B&O mainline at Calumet Tower. The tower has long since been demolished. The empty coal train will take the NS Kankakee Line to Streator, IL and join home rails west.
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.