Description
Not what you are looking for? See more NSG 606 Responding to signals and signs
Running signal indications
The legal PROCEED and STOP indications shown by colour light and semaphore signals in the Network are, from least restrictive (highest) aspect to most restrictive (lowest) aspect:
In the figures, lunar white lights are shown in blue ; pulsating lights are shown with radial lines
.
Single colour light
CLEAR
PROCEED. Next signal displays a PROCEED indication.
MEDIUM
PROCEED. Next signal displays at least a CAUTION or CAUTION TURNOUT indication.
MEDIUM TURNOUT
PROCEED on turnout route. Next signal displays at least a CAUTION or CAUTION TURNOUT indication.
CAUTION
PROCEED. Next signal may be at STOP.
CAUTION TURNOUT
PROCEED on turnout route. Next signal may be at STOP.
LOW SPEED
PROCEED ready to stop at the next signal.
NOTE: The line immediately beyond the next signal may be occupied.
Where train stops are provided, a maximum speed of 25km/h applies.
CLOSE UP
PROCEED ready to stop at the next signal.
NOTE: The line immediately beyond the next signal may be occupied.
STOP
Double colour light
CLEAR
PROCEED. Next signal displays a PROCEED indication.
PRELIMINARY MEDIUM
PROCEED. Next signal displays at least a MEDIUM indication.
MEDIUM
PROCEED. Next signal displays at least a CAUTION or CAUTION TURNOUT indication.
MEDIUM TURNOUT
PROCEED on turnout route. Next signal displays at least a CAUTION or CAUTION TURNOUT indication.
CAUTION
PROCEED. Next signal may be at STOP.
CAUTION TURNOUT
PROCEED on turnout route. Next signal may be at STOP.
LOW SPEED
PROCEED ready to stop at the next signal.
NOTE: The line immediately beyond the next signal may be occupied.
Where train stops are provided, a maximum speed of 25km/h applies.
CLOSE UP
PROCEED ready to stop at the next signal.
NOTE: The line immediately beyond the next signal may be occupied.
STOP
Single lower quadrant
CLEAR
PROCEED. Next signal may be at STOP or CLEAR.