SIGNAL IRREGULARITIES Flashcards
How must an Irregularly displayed signal be regarded?
At its safest aspect, which is 🛑
at
STOP
When detained at a signal at stop or irregularly displayed, what information must be given to TC/ AC/ signaller?
TRAIN NO.
Signal no.
Position of train
What information must the signaller give to the driver when detained at a signal at stop?
-Duration of delay
- Reason for delay
- If blocking facilities have been applied
What must a driver do if they cannot contact the signaler?
Contact train control
Procedure when detained at a signal at stop
- sound a long whistle
- PA
- contact signaller/TC/ AC etc.
- give Train no., sig. no., location
- signaller: -duration & reason for delay + if blocking facilities
- if no answer Driver contact TC
- inform pax reason/ duration
- inform TC if not satisfied with reason for delay
Signal Irregularities (list 9)
• Absence of a signal aspect, where normally shown
• Imperfectly displayed signal
• Flickering
• disc Not turned correctly
• A white light instead of a colored light
• 2 signals displayed where only 1 should be
• Co-actors conflicting with actual signal
• Reverting to stop prior to passing
• Anything other than what is specified in the book of rules (e.g. a pink signal or 2 greens on a home)
Who do we report signal irregularities to?
Train control
What must you do when driving a train and noticing an irregular signal?
Attempt to stop the train prior to the signal and call train control
R1S3 to pass Auto
Obtain Correct authority to pass home, disc or dwarfs
If unable to stop prior to the signal contact Train control, advise circumstances including tripping, and follow the instructions given
How can drivers be informed about signal irregularities?
- Issue of CAN notice
• via transmitted radio message
If a home signal has a light extinguished, what must a driver do?
-Contact the controlling signaller and get the correct authority to pass the signal
- notify TC of any delays
What must a hand signaller do when a Home signal is defective a proceed?
- Obscure the light
- Place 2 ATWs 10 m apart
- Display a RED hand signal
- Inform driver of circumstances
- DISC OR DWARF = as above but NO ATWs
What must a driver do when there is a Home signal defective at proceed?
- home
-disc/ dwarf
- PA
- obtain, correct authority to pass
- Proceed with extreme caution to the next fixed signal
- DISC/ DWARF=
- no need for PA;
- follow Hand signals;
-,obtain correct authority to pass
What must a hand signaller I do when automatic signal, is defective proceed?
-.Obscure light
- Place 2 ATWs 10 m apart
- Exhibit red hand signal
- Inform driver of circumstances
What must a driver do when automatic signal is defective at proceed?
- PA
- R1S3
- Proceed with extreme caution to NFS
What must a driver do when an automatic signal reverts to stop?
Attempt to stop prior to signal
Advice TC
Follow R1S3
What must the driver do if a HOME/ disc/ DWARF signal reverts to stop prior to passing?
-Attempt to stop prior
- PA
- Contact signaler or TC
- Obtain correct authority to continue or return
What must a driver do when wrong routing is identified?
- Stop the train prior to the signal
- Communicate with the signaller
- Ask the signal to give the correct route
- If unable to stop act under the instructions of controlling signaller and TC
- Set back with correct authority or continue on the wrong route to terminate (act under instructions)
What must a driver do if the train is wrong routed onto an unwired track?
- Apply emergency brake
- Lower Pantos
What is required if a train must pass a home signal @ stop that is protecting a tramway?
A signallers caution order
What must you do if detained at a home signal with no letter ‘A’ being displayed when in the metrol controlled area??
Contact the area, controller and follow their instructions
If it is switched out, they will switch in and work the signal
If the area controller cannot be contacted, remain on the train, do not pass the signal (TOTS) continue to attempt communication with AC
When does an illuminated A display?
It is only displayed when the signal box is ‘ switched out’ & only with a stop aspect
What could be some reasons for an illuminated letter ‘A’ to not be displayed??
- Globe is blown
- Failure of the circuitry to the points or signals
- Signaler is in attendance ‘switched in’ box
- Points not laying correctly due to a failure
Locally controlled Illuminated A locations ?
Brighton Beach
Remotely Controlled Illuminated A locations?
Moorabbin
Broadmeadows (CGB)
Somerton (CGB) (AKA Roxborough park)
