See GM&O and Mobile & Ohio
for a better description of these railroads.
I don't understand the question and some of the details in this posting
, so I'm saving it for future study. One item in particular is where was GN&N? (Update: it should have been the GM&N
.) I have never heard of it. It sounds like the mainline between Chicago and St. Louis did not go to full CTC until after 1980.
This one is for the north end boys.
GM&O/ICG had a short stretch of ABS between Murrayville and Roodhouse, IL with quasi "control points" at each end with a switch in each of the "plants." There was no dispatcher or operator for the "control points."
Does anyone recall if the switches were ever powered or were they hand throws?
Can anyone chime in on how the "control points" worked?
Attached is a Terry Cook image from 1980 of the control point at Murrayville, IL.
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