Signals - Exceptions to Pass Fixed Signals ABS System Flashcards
What are the 3 exceptions for passing a STOP Home Signal on the ABS?
- Defective
- Track Circuited no Low-Speed Caution
- Single Line Working
What are the 2 exceptions for passing a STOP Dwarf Signal?
- Defective
- Single Line Working
What are the 3 exceptions for passing a STOP Automatic Signal?
- Stop for an UNKNOWN reason??
- To assist a Disabled train
- Special Instructions from MRS (Managers Rail Safety)
What is the Authority if a Home Signal at STOP on the ABS is Defective?
- Signallers Caution Order (SCO) if there are Points, Crossovers or Tramway
- Verbal (if there are no Points, Crossovers or Tramways)
What is the Authority if a Home Signal at STOP on the ABS doesn’t have a Low-Speed Caution?
Verbal from the Signaller
What is the Authority if a Home Signal at STOP on the ABS for Single Line Working?
Verbal from Pilot (who has Single Line Working Forms)
What is the Authority if a Dwarf Signal at STOP is Defective?
Verbal from the Signaller
What is the Authority if a Dwarf Signal at STOP for Single Line Working?
Verbal from Pilot (who has Single Line Working Forms)
What is the Authority if a Automatic Signal at STOP for all exceptions?
Rule 1 Section 3
What is the Hierarchy of Authority?
- Signal Aspect
- Train Authority
- ATC SCO
- Signallers Caution Order
- Verbal
- Rule 1 Section 3
How can Caution Orders be given to the driver?
- Handed Only (Local and Unrecorded)
- Transmitted (Recorded) or Handed
- Dictated (Remote and Unrecorded) or Handed
When can an Automatic Signal at STOP be passed if it isn’t defective?
- To assist a disabled train
- To assist with the movement of passengers from a disabled/de-railed train
- To attach to the train in the section ahead
What should a driver do if detained at a Home Signal at STOP?
- Stop the train and Sound Long Whistle if near a Signal Box
- Contact the Controlling Signaller
- Provide:
- TDN
- Signal Post Number
- Position of Train - PA Announcement if required
- Contact Controlling Signaller every 5 minutes (Signaller will provide: Duration of delay, Reason for delay, If Blocking Facilities have been applied
What are Blocking Facilities used for?
To remind signallers that tracks are occupied or fouled
If detained at a Home Signal at STOP the driver should contact Train Control if?
- Driver can’t contact the Controlling Signaller
- Driver isn’t satisfied as to the cause or duration of the delay
- The delay will exceed 5 minutes
Who can’t issue an authority to pass a Home Signal at STOP?
Train Control at Metrol
What should a driver do if detained at a Dwarf Signal at STOP?
- Sound one Long Whistle
- Contact the Controlling Signaller
- The Controlling Signaller will provide:
- Duration of delay
- Reason for delay
What should a driver do if detained at a Dwarf Signal at STOP and they can’t contact the Controlling Signaller?
Contact Train Control at Metrol
What must any Signal Irregularities be regarded as by the driver?
At its safest position (STOP)