A pair of CSX SD40-3's are working the east end of CSX's Frontier Yard in Buffalo, New York. Of note is the autorack a few cars back that has had all the panels and doors removed.

A pair of CSX SD40-3's switch cars at Frontier Yard in Buffalo, New York. The crew is shoving a string of mixed freight back alongside the long closed hump.

CSXT local builds a train on the North West end of the Buffalo Frontier Yard. I noticed an autorack train going North up the Belt Line to Niagara Falls prior to taking this picture.

A pair of CSX SD40's led by rebuilt SD40-3 4074 works CSX's Frontier Yard in Buffalo, New York. The crew is flat switching cars to classify them for various destinations.