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Difficulty: MediumMotorway Signs and Signals

On a motorway, an electronic gantry signal displaying flashing amber lights warns of a hazard ahead, advising drivers to adjust their speed and proceed with caution, but it does not legally prohibit traffic from using that lane.

Answer: Answer

Answer

True. Flashing amber lights on motorway signals warn of hazards ahead and advise caution or advisory speed reductions, whereas only red flashing signals (such as a Red X) legally prohibit driving in a lane.
Under Highway Code Rule 257, flashing amber lights on motorway electronic signals alert drivers to hazards ahead (such as adverse weather, congestion, or obstructions) and advise appropriate speed reductions. They do not enforce a mandatory lane closure, which is designated exclusively by flashing red lights or a Red X symbol under Rule 258.

Step-by-Step Solution

1
Identify the type and colour of the motorway matrix signal described in the scenario.
The signal displays flashing amber lights above a motorway lane.
Different colours and light patterns on motorway electronic signals convey distinct legal statuses under the UK Highway Code.
2
Determine the legal meaning of flashing amber signals versus flashing red signals.
Under Highway Code Rule 257, flashing amber lights warn of hazards and provide advisory guidance, whereas Rule 258 establishes that only flashing red lights (including a Red X) create a mandatory prohibition or lane closure.
Distinguishing between advisory hazard warnings (amber) and mandatory prohibitions (red) is essential for correct motorway lane discipline.
3
Evaluate the accuracy of the statement based on these regulatory definitions.
The statement accurately reflects that flashing amber lights advise caution without imposing a legal prohibition on using the lane.
Since the statement correctly defines the function and legal boundary of flashing amber motorway signals, the correct evaluation is True.

Key Concept

Distinction between advisory flashing amber motorway signals and mandatory flashing red lane closure signals
Estimated Time:45s
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Topics

Motorway Signs and Signals

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