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Difficulty: MediumGeneral Breakdown Procedures and Warning Devices

Following an unexpected mechanical failure at dusk on an unlit dual carriageway, a driver brings their vehicle to a complete stop on the nearside verge. Which action is the safest way to alert approaching traffic and protect the occupants while awaiting recovery?

  1. A
    Keep all occupants seated inside the vehicle with the engine idling and headlights switched to full main beam
  2. Activate hazard warning lights and sidelights, and ensure all occupants exit and wait on the embankment behind the safety barrierAnswer
  3. C
    Walk along the active carriageway lane to deploy a warning triangle directly in the path of oncoming traffic
  4. D
    Stand behind the stationary car on the carriageway edge and manually signal oncoming drivers with a flashlight

Answer

Activate hazard warning lights and sidelights, and ensure all occupants exit and wait on the embankment behind the safety barrier
Under UK breakdown safety guidelines, when a vehicle stops on the verge of an unlit high-speed road, the driver should switch on hazard warning lights to signal the obstruction and maintain sidelights so the vehicle is visible without dazzling oncoming traffic. For maximum personal safety, all occupants must exit via the nearside doors and wait well away from the carriageway and verge, ideally up an embankment or behind a safety barrier.

Step-by-Step Solution

1
Assess vehicle visibility requirements under low-light breakdown conditions
Identify that switching on hazard warning lights alerts others to the stationary obstruction, while leaving sidelights (position lamps) on ensures the vehicle remains clearly visible at night without causing blinding glare
The Highway Code requires drivers to display hazard warning lights and position lamps in darkness or poor visibility when stopped on the roadside
2
Determine safe passenger evacuation and positioning protocols
Instruct all passengers to exit using the nearside (left-hand) doors and move completely off the verge onto the embankment, behind any safety barrier
Remaining in or standing near a vehicle on the verge of a high-speed road carries a high risk of being struck by vehicles leaving the carriageway

Key Concept

Breakdown safety protocols on high-speed roads require alerting road users via appropriate vehicle lighting and removing all occupants to a secure location off the carriageway.
Estimated Time:1m 0s
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Topics

General Breakdown Procedures and Warning Devices

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