Track Circuit Failures

Trains or vehicles failing to operate track circuit: immediate actions-

Place or keep signals at danger to protect the train or vehicle. (Use reminders)

Place or keep signals at danger to protect the track circuit concerned. (Use reminders)

Tell Operations Control (Including details of when the previous train passed over thr track circuit concerned)

Arrange for train to stop at first available locations to be examined.

Track circuit showing occupied when clear- you may authorise the driver of each train to pass the affected track circuit on a double line when:

You can make sure the portion of line concerned is clear after the passage of each train.

A competent person has been appointed to report the train has passed complete with tail lamp.

You have seen the previous train occupy and clear the track circuit ahead of the signal beyond the affected portion of line.

If the track circuit is between two signal boxes, you have introduced signalling by bell or telephone (3.5 working)

Track circuit showing occupied when clear- you may authorise the driver of each train to pass the affected track circuit on a single line when:

You can make sure the single line is clear after the passage of each train.

A competent person has been appointed to report the train has passed complete with tail lamp.

If you cannot make sure that each train leaving the single line is complete with tail lamp, the pilot accompanies every train.

Track circuit showing occupied when clear- you may authorise the driver of each train to pass the affected track circuit on a bi-directional line.

You allow trains to only work in one direction and you carry out 16.2 (double line) regulations.

If trains are to pass in both directions, you carry out regulations 16.3 ( single line) regulations.

You may allow a train to approach a position light signal or shunting signal at which the normal indication is defective if:

The singal is not needed to protect a conflicting movement, and

You have told the driver about the defective signal.

You may allow a train to approach a defective stop board or limit of shunting indicator if:

The stop board or limit of shunting indicator will not be needed to protect a conflicting movement and you have told the driver about the defective stop board or LOS indicator.

Defective banner repeaters- you must not allow a train to approach a defective banner repeating signal unless one of the following applies:

The distant signal to which it applies is showing a clear indication or green aspect and the banner repeating signal is showing an off indication.

The stop signal to which it applies is showing a proceeding aspect or indication and the banner repeating is showing an off aspect.

The signal to which it applies is showing a green aspect and the banner repeating signal is showing a green off indication.

The previous signal is showing one yellow aspect or caution jndication and the banner repatjng indication is dispalying an on indication.

The driver has been told about the defective banner repeating signal.