Caretta Branch - Abandoned Signal

NW Mailing List nw-mailing-list at
Wed Mar 5 12:33:00 EST 2014

I'm guessing the number reflects close proximity to the main, on a
secondary spur, lack of other automatics nearby, and the numbers only had
to be unique for each signal, using mileposts as a guide.

Grant Carpenter

> Date: Wed, 05 Mar 2014


> A related question: why does the sign on the Caretta Branch

> approach signal have a mainline milepost (I20.7) instead of

> the branchline milepost?


> Joe Shaw

> Christiansburg, VA



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