Week 8 - Trains That Cannot Be Relied Upon To Operate Track Circuits

Question 1

When must you use regulation TS1 Reg 12 (trains that cannot be relied upon to operate track circuits)

Answer 1

• Driver of an OTM tells you that the OTM cannot be relied upon to operate track circuits

or

• You are told that a train cannot be signalled normally because a TCA on the train has become defective

Question 2

When can you allow a train to follow a train that cannot be relied upon to operate track circuits? (TS1 Reg 12.3)

Answer 2

When the train concerned has passed beyond the overlap of a signal that has been placed and kept at danger

Question 3

Who must you inform about a train that cannot be relied upon to operate track circuits? (TS1 Reg 12)

Answer 3

• Next signaller who is to signal that train
• Level crossing keepers if they rely on the operation of track circuits to alert them of approaching trains
• Anyone else if necessary

Question 4

What instructions should you give to the driver of train that cannot be relied upon to operate track circuits? (TS1 Reg 12.3)

Answer 4

If necessary, you must tell the driver of the train concerned to stop specially to report the arrival of the train at a specified signal or location

Question 5

How would you set the route for a train that cannot be relied upon to operate track circuits? When can you operate the points once the train is passing through the route? (TS1 Reg 12.2)

Answer 5

• Set points using IPS (Individual Points Switches)

- You must not operate points that are locked by track circuits until the train concerned has passed well clear of them