Definition of track circuit in English:

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track circuit


An electric circuit made in a section of railway track as an aid to signalling, and able to be short-circuited by the presence of a train.
Example sentences
  • Once the westbound train has progressed and the caboose is no longer occupying the detector track circuit of interlocking all intermediate signals will return to their normal status.
  • When there are track problems, it could be a number of things - such as a track circuit, a broken rail or whatever.
  • It was a broken track circuit today - something like that - I'm not so good on my railway terminology.
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