With the signals lit for a 20R that had just been in the block at the beginning of the exposure, another eastbound approaches the signals at Tipton, illuminating the late-night fog that had accumulated.
A continuously growing album of photos that IMHO reveal the awesome and seldom-seen beauty of the railroad world from the dimming of day to dawn's early light! From dusk to dawn, trains roll on! (I'm still finding gems of sunset-to-sunrise surprises!)