An eastbound Union Pacific coal train rattles through Little Gore Canyon east of Azure, Colorado, on June 6, 2013. The train is threading 63-foot Tunnel 40, the shortest tunnel on UP’s Moffat Tu... (more)
Amid wet, rain-soaked autumn foliage, an eastbound CSX freight curves through Mance, Pennsylvania, on October 22, 1988. Four of the six locomotives in the consist still wear the colors of Chessie ... (more)