CBTC - 11

Question 1

What type of reporting irregularities are there in the event of a CBTC failure or irregularity? (6)

Answer 1

1. Error messages indicated on the DMI
2. Abnormal working behaviour of the VATC
3. Loss of CBTC communication
4. TSR irregularity (permitted speed exceeds a posted speed)
5. TMR irregularity (RM becomes available before the end of the affected area)
6. Heat related speed restriction irregularity (WOLO)

Question 2

If the VATC EB applied and is caused by a fault or irregularity, what does a driver need to do?

Answer 2

Report it immediate to TC

Question 3

If the VATC EB applies under normal operation when can the EB be reset?

Answer 3

When authorised to do so by the signaller at SSCC

Question 4

What must a driver do if they become aware of a CBTC movement authority beyond an illuminated fixed signal? (2)

Answer 4

Stop the train as soon as practicable and inform the signaller

Question 5

If a driver is required to restart the onboard CBTC system, what must the signaller ensure is done before the reset occurs? (2)

Answer 5

1. All traffic in the affected track sections are stationary
2. Blocking facilities applied

Question 6

Who will issue a driver an Alternative Proceed Authority (APA)?

Answer 6

Signaller

Question 7

What is an APA used for?

Answer 7

The signaller authorises rail traffic movements within CBTC Territory when the proceed authority normally provided by the signalling system in operation is not available

Question 8

At what speed must you proceed at when under the authority of an APA?

Answer 8

Exteme caution max 25km/h

Question 9

If you are completing a wrong line move over a section containing a pedestrian crossing, what must the signaller document in the special instructions?

Answer 9

Details relating to the crossing

Question 10

How many APAs must a driver carry?

Answer 10

15

Question 11

Can an APA be used to pass multiple fixed signals or CBTC block marker boards at a time?

Answer 11

No only 1