Trains Proceeding Without Authority And Train Divided

Question 1

What actions must you take if you receive 4-5-5 from the signal box in rear? (9)

Answer 1

1. Place BI to TOL.
2. Stop any train heading to rear signal box.
3. Arrange train messages to be sent.
4. If possible, alter the position of the point to divert trains and prevent collision.
5. Place or keep signals at danger.
6. If necessary, send 4-5-5 to advanced signal box unless you can divert the train.
7. If possible, arrange for the line on which 4-5-5 is proceeding to be cleared.
8. Necessary action for level crossings.
9. Take any possible action to reduce the risk of collision.

Question 2

If you have received 4-5-5 when there was a train already in the section, when can you send train out of section?

Answer 2

Both trains cleared this section and complete with tail lamps

Question 3

If you have received 4-5-5 when there was a train already in the section, once you have sent train out of section, how will the signal box in rear signal the next train and what must they tell the driver? (3)

Answer 3

1. Normally.
2. Tell the driver what has happened.
3. Instruct the driver to proceed through section at caution.

Question 4

When the next train over the same line is ready to proceed, you must tell the driver what has happened. What must happen before you can tell the driver what has happened, and what must you also instruct the driver to do? (3)

Answer 4

1. Advanced box has acknowledged ‘2’.
2. Pass signal at danger.
3. Pass through the section at caution.

Question 5

When the next train is due over any other line before one has passed over the affected line, what must the driver be told and how is the train signalled? (4)

Answer 5

1. Tell the driver about the circumstances.
2. Instruct the driver, when the signal is cleared, proceed at caution.
3. Tell the driver to report if anything seen to be wrong.
4. Signal the train normally.

Question 6

If you are aware or suspect that a train has become divided, what must you do? (3)

Answer 6

1. Place or keep signals at danger to stop any train travelling towards the divided train.
2. Place or keep signals at danger against the divided train.
3. If necessary, arrange for train messages to be sent.

Question 7

What actions must you take if the front portion of the divided train enters the forward section? (2)

Answer 7

1. Send ‘2’.
2. When acknowledged, send ‘9’.

Question 8

What actions must you take if the rear portion of the divided train enters the forward section?

Answer 8

Send 4-5-5

Question 9

SPAD - What criteria must be met to allow the train to be moved to a more convenient location? (3)

Answer 9

1. The driver is prepared to make the movement.
2. The driver considers there is no defect that would make the train unsafe.
3. The movement will not proceed beyond another main aspect stop signal.

Question 10

What must you do if you receive 4-5-5 and you already have a train in section? (2)

Answer 10

1. If you can, allow the first train to pass.
2. Immediately replace signals to danger against the train train with 4-5-5.