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Difficulty: HardTraffic Lights and Signals

You are waiting behind the stop line at a railway level crossing controlled by traffic light signals. A train has just passed, but the twin red lights continue to flash alternately. What must you do in this situation?

  1. A
    Edge forward past the stop line and cross if the railway tracks appear clear in both directions
  2. Remain stationary behind the stop line until the red lights extinguish completelyAnswer
  3. C
    Flash your headlights to alert approaching traffic and proceed cautiously over the tracks
  4. D
    Treat the active signal as an equipment fault and drive carefully over the crossing

Answer

Remain stationary behind the stop line until the red lights extinguish completely.
Under the UK Highway Code, twin alternating flashing red lights mean you MUST stop behind the stop line. If the red lights keep flashing after a train has passed, you must continue to wait because another train may be approaching from either direction.

Step-by-Step Solution

1
Identify the signal aspect and its legal status under the Highway Code
Twin alternating flashing red lights mean an absolute legal requirement to stop and remain stopped behind the stop line.
Traffic light signals displaying flashing red lights at level crossings, lifting bridges, or fire stations prohibit any vehicle movement past the stop line.
2
Evaluate the ongoing hazard despite the departure of the first train
Recognise that multi-track crossings frequently have subsequent or opposing trains approaching immediately after the first.
The signals remain active automatically until the entire crossing and tracking block are verified safe and clear.
3
Determine the required driver compliance
Stay stationary behind the stop line until the red lights go out and the barriers fully rise (where present).
Proceeding before the signals extinguish is a serious legal violation and carries catastrophic collision risk.

Key Concept

Legal compliance with twin alternating flashing red light signals at level crossings and emergency installations.
Estimated Time:1m 0s
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Topics

Traffic Lights and Signals

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