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.
An ongoing/growing album of photos that IMHO reveal the awesome, but seldom seen beauty of railroads at sundown or in the light of sunrise. From dusk to dawn, lights are on! (And I continue to find new "Lights In The Night"!)