ABS (Automatic Block Signalling System) Flashcards
What is a BLOCK section?
The section of track in between 2 Home signals (signal boxes)
What is a Drivers authority to enter the block section in between 2 home signals?
The Proceed aspect on the Home signal that govern the entrance ti the block section
What is the portion of line in between each Automatic signal ?
The Track section
What is the object of the ABS system?
Where 2 or more trains are to proceed in the same direction,
to prevent more than one train in a track section
at the same time
On bi-directional lines
to prevent trains running in opposite directions
in a single line section
at the same time
Can you have a low speed caution on a bi-directional track?
No
What is STATION LIMITS on ABS?
The portion of track under direct control of a signaler:
The portion of line between ARRIVING HOME signal up to the 1st AUTO IN ADVANCE OF THE DEPARTING HOME
(where there is no departing home, to the 1st Auto signal ahead of the arriving home)
