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Railroad Definitions
Below are the Definitions showing in the 7th Edition of GCOR Effective April 1, 2015.
ABS See Automatic Block Signal System.
Absolute Block A length of track that no train is permitted to enter while the track is occupied by another train.
Absolute Signal A block or interlocking signal without a number plate, or designated by an A marker.
ACS See Automatic Cab Signal System.
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Railroad Abbreviations
Below is a the list of Abbreviations showing in the 7th Edition of GCOR Effective April 1, 2015.
ABS ……….. Automatic Block Signal System MW ………… Maintenance of Way ACS ……….. Automatic Cab Signal System N ……………. North AMTK ……… Amtrak…
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Definitions
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 the track is occupied by another train.
Absolute Signal A block or interlocking signal without a number plate, or designated by an A marker.
ACS See Automatic Cab Signal System.
Articulated Permanentl…
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