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Difficulty: MediumHazard Perception and Anticipation

You are following a large goods vehicle as it approaches a narrow side road on the left. The driver signals left but moves out towards the centre line of the road before turning. Which of the following is the safest way to respond to this hazard?

  1. A
    Undertake the vehicle on its left-hand side while the gap remains open
  2. Stay well back behind the vehicle and allow it sufficient room to complete the turnAnswer
  3. C
    Flash your headlights to alert the driver that they are drifting into oncoming traffic
  4. D
    Close the following gap directly behind the vehicle so other road users cannot enter

Answer

Stay well back behind the vehicle and allow it sufficient room to complete the turn
Long vehicles need extra road space to negotiate tight turns into narrow side streets. When turning left, they often have to move right first to prevent their rear wheels from mounting the pavement. Anticipating this requirement and holding well back keeps you visible in the driver's mirrors and prevents a collision.

Step-by-Step Solution

1
Observe the vehicle's directional signals and road positioning
Identify that the large vehicle is preparing to make a tight left turn
Early observation allows you to anticipate the vehicle's intended path before it initiates the turn
2
Anticipate the swept path and blind spots of the long vehicle
Recognise that the vehicle must swing wide to prevent its rear wheels from clipping the kerb
Understanding vehicle dynamics prevents you from misinterpreting the movement as a lane change or mistake
3
Hold back at a safe distance and wait for the manoeuvre to finish
Maintain a clear view in the lorry's mirrors while keeping the junction clear
Provides sufficient room for the turning vehicle and preserves an escape route if the lorry has to stop

Key Concept

Anticipating the turning requirements and swept path of long vehicles
Estimated Time:1m 0s
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Topics

Hazard Perception and Anticipation

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