Posted by Mitch Goldman on September 8, 2013 
Seems a red light /green light signal might be easier for the general public. Interesting catch.
Posted by Jeff Sell on September 8, 2013 
It would seem to make more sense that the lights should turn ON when a train was approaching instead of turning OFF. I've never seen crossing lights like this before.
Posted by Mitch Goldman on September 8, 2013 
Jeff - I think that's a fail safe. Always be careful if the lights are out (on purpose or in case of power outage).
Posted by Ralph Wettle on September 9, 2013 
This type of crossing signal was big on rural crossings on the Monon back in he day.
Posted by Ron Flanary on September 9, 2013 
Yes, it is set up that way as a fail-safe. I've seen it with one of the lights out, but with no train coming. Notice it makes the distinction of a westbound and eastbound track. Going back to the steam era, this main was converted from double track with ABS (automatic block signals) to reverse-signaled CTC. A train can come in either direction on either track. At least it's on a tangent, so only a total idiot would pull into the path of a train---no matter which way it was running. This is indeed a anachronism from the older days of railroad safety devices.
Posted by Wayne Hudak on September 13, 2013 
@ Ralph Wettle. Yes Ralph, i remember seeing one of those on the Monon (L&N by then) in the late 70's. There was a similar device on the Ex Wabash just east of Willowcreek Junction (PC,NYC[MC], B&O, Wabash) on Portage Avenue in Portage IN until the line was removed in about 1982-83. That device had a constant green light. When out the sign said "STOP"! Luckily, i have a photo of it somewhere, taken in about 1973.
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