Identifying And Dealing With Signal Irregularities Flashcards
What are a driver’s responsibilities when detained at a Home signal?
- sound long whistle
- PA
- assess whether its remote or locally controlled
- contact signaller/area controller/train controller
- inform passengers
What can be described as a signal irregularity?
- Imperfectly displayed
- flickering
- disc not turned correctly
- white light where coloured aspect should be
- co-acting signal showing conflicting aspects
- missing aspect where aspect is normally shown
- reverting to stop prior to train passing signal
- signal showing that isn’t specified in book of rules
How does a driver react to a signal irregularity?
By attempting to stop the train prior to the signal.
How does a Home signal defective at proceed be secured?
- obscure light of signal
- place 2 ATWs ten metres apart on one rail a sufficient distance prior to defective signal
- exhibit a RED hand signal
- inform driver of circumstances
How does an automatic signal defective at proceed be secured?
- obscure light of signal
- place 2 ATWs ten metres apart on one rail a sufficient distance prior to defective signal
- exhibit a RED hand signal
- inform driver of circumstances
How does a dwarf or disc signal defective at proceed be secured?
- obscure light of signal
- exhibit a RED hand signal in place of Disc/Dwarf signal under instruction of the controlling signaller
- inform driver of circumstances
What authority is required for a defective Home signal protecting a Tramway Square?
Signallers Caution Order
What is the procedure for dealing with a Failure of Illuminated Letter A with communication?
Contact Area controller
What is the procedure for dealing with a Failure of Illuminated Letter A without communication?
Remain on the train and keep trying to make contact and DO NOT PASS until authorised by the signaller.
How does a driver treat a co-acting signal with different aspects?
At the safest position - STOP
How does a driver deal with a Trip operating irregularly in the section?
- Stop
- check for derailment
- radio call to TC with location and Lead Motor car number
- PA
- look for cause ie debris, if back of signal is seen then that may be the cause
- reset trip
- proceed with caution extreme caution to next fixed signal
- incident report must be submitted to depot train driver managers correspondence box
What must a driver do when confronted with an irregular signalling sequence?
- attempt to stop prior to signal
- advise TC or Controlling Signaller of circumstances
- include signal number and the fault
- receive the correct authority to pass the defective signal or to continue on if unable to stop prior to the signal.
