One of the good things about automatic block signals, of any kind, was that they gave warning about oncoming traffic running against the current. Semaphore 318.1 has "dropped" to caution for just that reason. And now you know where the expression "signal dropped" comes from, if you didn't already.
Photo Date

42.249239, -77.450817

Submitted by CRHS Admin on Sat, 09/26/2020 - 23:20