Signals Flashcards
What do colour light shunting signals control?
The passage of trains and shunting movements with in station limits.
What are the three types of colour light shunt signals?
- Two position colour light shunting signals.
- Three position colour light shunting signal.
- Yellow light low speed signal on a fixed mast.
What does a shunting limit board mean?
Marks the limits for shunting purposes in accordance with details defined on signal and interlocking diagrams or local instructions.
What should you do at a All train stop board?
All rail movements are to stop before the ATSB. Do not pass unless permission to pass has been received from the person responsible for movements. Locomotive engineers are only permitted to ask for permission when they are able to sight the board.
Approaching the ATSB, prepare to stop.
A) What call do you make at a red shunting signal?
B) What should you do at a red shunting signal?
A) All red stop.
B) STOP. Do not pass unless authorised by the prescribed verbal or written instruction.
A) What call do you make at a yellow shunting signal?
B) What should you do at a yellow shunting signal?
A) Yellow on shunt.
B) - Proceed with caution at low speed. (Not to exceed 25kph)
- Points are correctly set. - Prepare to find track occupied or obstructed. - Rail maybe broken or displaced.
A) What call do you make at a green shunting signal?
B) What should you do at a green shunting signal?
A) Green on shunt.
B) - Proceed with caution at low speed. (Not to exceed 25kph)
- Points are correctly set. - Tracks are clear but suitable for slow speed only. - The next signal is at caution or clear.
A) The absence of a signal, or a signal imperfectly displayed signal means what?
B) Who should the signal be reported to?
A) Stop.
B) Train control or the signaller concerned.
Where are signals and indicators identified?
On S and I diagrams.
All rail personnel concerned must be particularly alert, and trains must move under such control as will enable them to _____________ before passing a signal the indication of which is not known.
Stop.
How is a authorised to proceed hand signal displayed?
One arm horizontal.
How is a danger, emergency stop hand signal displayed?
Arms up above the head level. Or any usual signal.
How is a stop hand signal displayed?
Both arms extended horizontally from the shoulders or one arm raised above the level of the head with fingers outstretched.
What does one short low tone mean?
Prior to the movement of any rail vehicle inside the Wiri depot.
What does one long tone mean?
Reason to believe that the line may be obstructed.
