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Question

Difficulty: MediumSignals by Other Road Users

You are following a vehicle on a single-carriageway road. The driver extends their right arm out of the side window, with the palm facing downwards, and moves it slowly up and down. What does this signal indicate that the driver intends to do?

  1. A
    Turn left into an upcoming side road
  2. B
    Beckon following vehicles to overtake immediately
  3. Slow down or come to a stopAnswer
  4. D
    Turn right across oncoming traffic

Answer

The driver intends to slow down or come to a stop.
According to the UK Highway Code, a driver signals an intention to slow down or stop by extending their right arm outside the window with the palm facing downwards and waving it steadily up and down. Following drivers should respond by easing off the accelerator, checking their mirrors, and preparing to brake.

Step-by-Step Solution

1
Identify the physical hand and arm gesture described in the scenario.
The driver is extending their right arm with the palm downwards and moving it vertically up and down.
The Highway Code defines distinct arm movements for turning left, turning right, and slowing down or stopping.
2
Match the observed motion to the official UK Highway Code arm signal rules.
The up-and-down movement with the palm down explicitly signifies 'I intend to slow down or stop'.
This physical signal provides advance warning to following traffic when electric brake lights may be hidden, failing, or used to reinforce braking intentions.

Key Concept

Recognising official Highway Code arm signals used by drivers and other road users.
Estimated Time:45s
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Topics

Signals by Other Road Users

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