Driver reminder appliance

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The Driver's Reminder Appliance (DRA) was introduced in the United Kingdom in the 1990s in response to a series of railway accidents where a train driver had started away from a station stop against a red signal. It is simply a manual switch that prevents power from being applied when it is turned on. Drivers are required to set the DRA:

  • when stopped at a red signal
  • when leaving the cab

The DRA fills a gap in the Automatic Warning System.

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