Signals - Level Crossing and Trackside Signs Flashcards
What is the definition of Level Crossings?
Railways Level Crossings occur where a railway line is by a road or path on one level, without the use of a bridge or tunnel
What are ACTIVE CONTROL Level Crossings?
Means that flashing lights, bells and/or boom gates operate when a train approaches a level crossing
What are PASSIVE CONTROL Level Crossings?
Means that the level crossing has only fixed warning signs with no bells, flashing lights or boom gates
What are the types of Level Crossings?
- Boom gate level crossing
- Pedestrian and bicycle level crossing with active control
- Pedestrian and bicycle level crossing with passive control
- Tramway level crossings
- Warning Lights only
- Private “Give way to trains” level crossing on farmland (Hurstbridge line)
- Some locations there is a provision for staff to cross
What causes boom gates at Level Crossings to open and close?
Track Circuitry
(The train short circuits the track section when entering/exiting past signals)
What causes a variation regarding Level Crossing Activation Points?
- Track speeds
- Platform prior to the crossing
- Platforms after the crossing
- Signalling circuitry
- Signaller activation
Why would the Signaller activate “Express Mode”?
For trains running empty services
What is a Flashing Light Repeating Side Light?
A White or Red flashing light on the side of the boom gate
What is the purpose of a Flashing Light Repeating Side Light?
Indicates to the driver that the Level Crossing warning devices are active and functioning
Must the driver always observe White Flashing Repeating Lights?
Yes, where possible
What are the 3 types of Whistle Boards in the Victorian Network?
- Normal type
- Healthy State Indicator type
- Predictor Board type
How far away are Normal Whistle Boards from Level Crossings?
400 metres
What is the correct side of a Normal Whistle Board?
The White side
(The back is painted black)
What must a driver do when passing a Whistle Board?
- Sound a long whistle
- Observe the Level Crossing activities (if equipped)
- Observe the crossing is clear of vehicles, pedestrians, and any other obstruction
- Sound a long whistle prior to entering the crossing
What is a Healthy State Indicator Whistle Board?
A yellow cross board with a white flashing light fitted to warning drivers if the crossing is working correctly
If a Healthy State Indicator Whistle Board is defective who should drivers inform?
Train Control at Metrol
What must drivers do when they reach a Predictor Board?
Not increase speed until the train has entered the Level Crossing
What must a driver do if another train is approaching a Level Crossing at the same time?
Sound the Whistle continuously until both trains have reached the crossing
What is the definition of a Long Whistle? (DIDRA)
The sound of the whistle should be distinct, with intensity, duration, or repetition appropriate at which the warning is required to be heard
What is an Emergency Whistle?
A series of short, urgent blasts on the train whistle