By now, you should be familiar with some of the responses available to you for responding to a track circuit failure.

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As a refresher and reference, explore this flowchart, which walks you through the choices and options.

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When you're ready, jump into the activity below, and map out your own track circuit failure response:

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For your activity this week, you're going to put together everything you've learned about safety checks; diagnosing track circuit failures; and repairing them, into your own simplified Track Circuit Failure Flow Chart.

Note: it does not need to be as technical as the flowchart provided above, but feel free to use that one as inspiration, and conduct your own research if you'd like to be more comprehensive and show off to your mentors!

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1. Go to draw.io.
2. Choose where you want to save your file.
3. Select 'Create New Diagram'.
4. Select 'Flowchart'.
5. Title the flowchart 'Track Circuit Failure Map'.
6. Your starting point is 'A track circuit has failed'.
7. Your flowchart should account for the possibility of: a) a flat battery on the approach track; b) an open circuit in one of the track circuits; c) a short circuit in one of the track circuits; d) a broken rail in one of the track circuits. It should also feature a safety/risk assessment element.
8. When you're done, save your file as a pdf – it will form part of your final submission next week.

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