Track Circuit - Accidents - Broken Rails

Broken Rails

Track circuits can detect some but not all broken rails. If there is only one relay at a turnout, part of the wiring of a turnout is bound to be in parallel, which is not protected from broken rails. If there are two relays at that turnout, then all parts of the wiring can be in series, protecting against broken rails. Thus:

  • Weyauwega derailment (1996) - undetected broken rail in turnout.

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Famous quotes containing the words broken and/or rails:

    “He told me that the Indians were nearly all gone to the sea-board and to Massachusetts, partly on account of the smallpox—of which they are very much afraid—having broken out in Oldtown.”
    —Henry David Thoreau (1817–1862)

    “The train’s gone, the rails are cold.”
    —Russian saying, trans. by Vladimir Ivanovich Shlyakov (1993)