Old Rules

Rules that have been updated with newer rules.

Definitions

These definitions have been updated to the 7th Edition of GCOR Effective April 1, 2015. Click Here for the Update Below are the Definitions showing in the 6th Edition of GCOR Effective April 7, 2010. ABS See Automatic Block Signal System. Absolute Block A length of track that no train is permitted to enter while […]

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