Re: [CBQ] C & I Diagram

["Richard Gortowski via groups.io" <rgortowski=aol.com@groups.io>]

To set the record straight, this Signal diagram. plus articles on the C&I CTC were provided by Brandon Otterstrom on the CB&Q IO Group in response to questions I posed.  He sent this May 3rd on message 63676 for those of you looking for the original.

https://groups.io/g/CBQ/message/63676

Rich G

Rich and Group,

Thanks for posting the C&I Signal Diagram. One thing I found very interesting and wonder if it changed by the 60's. The diagram shows most of the signals on the single track portions as having three signal heads. I can't recall seeing photos of any three signal head signals along the C&I. I went to the CB&Q signal diagrams document I have, as well as the 1967 Consolidated Rules book, and it appears that the bottom (third) signal would give indication for restricting while the second down (center signal in a three signal setup) would define the diverging route aspect. Since there was only one signal between each of the signal controlled sidings did the Q use a three searchlight signal to add restricting or what is the diagram wrong in showing three light signals?

Second, it appears that a number of southbound signals show a small offset lunar(?) to the bottom right. The Consolidated Code book of 1967 doesn't show any signals with a lunar at the bottom right. What is this for? (An example of one of these southbound signals is shown below signal N110.7 just north of Stratford.)
 
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Tom Mack
Cincinnati, OH

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