(a) When any essential component of a highway-rail grade crossing warning system fails to perform its intended function, including but not limited to failures resulting in an activation failure, partial activation, or false activation, the cause shall be determined and the faulty component adjusted, repaired, or replaced without undue delay.

(b) If the failure of an essential component results in an activation failure, partial activation, or false activation, as defined in §234.5, a railroad shall take appropriate action under §234.105, Activation failure, §234.106, Partial activation, or §234.107, False activation, until adjustment, repair, or replacement of the essential component is completed.

[79 FR 49715, Aug. 22, 2014]


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