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Difficulty: MediumLarge Goods Vehicles (LGVs)

You are following a large goods vehicle (LGV) along a busy road. Why is it important to position your car so that you can clearly see the driver's exterior side mirrors?

  1. A
    It signals to the lorry driver to flash their headlights and tell you when the road ahead is clear
  2. B
    It allows you to tuck into the nearside space and prepare to undertake the lorry
  3. It ensures the lorry driver can see your vehicle and keeps you out of their rear blind spotAnswer
  4. D
    It shortens your overall thinking distance by allowing you to follow directly in the lorry's slipstream

Answer

It ensures the lorry driver can see your vehicle and keeps you out of their rear blind spot
Large goods vehicles do not have an interior rear-view mirror and rely on their exterior side mirrors to monitor following traffic. If you cannot see the lorry driver's side mirrors, you are travelling within the vehicle's rear blind spot where the driver cannot see you. Staying well back ensures the driver is aware of your presence and significantly expands your view of the road ahead.

Step-by-Step Solution

1
Assess the visibility limitations and blind spots of large goods vehicles (LGVs).
Identify that LGVs have massive blind spots directly behind them and along their sides.
Large goods vehicles lack interior rear-view mirror visibility and rely heavily on exterior side mirrors.
2
Determine the correct following position using the driver's mirrors as a reference guide.
Position the vehicle far enough back so that the lorry's exterior side mirrors are in clear view.
If you cannot see the lorry driver in their side mirrors, they cannot see you in their mirrors, placing your car in a dangerous blind spot.

Key Concept

LGV Blind Spots and Mirror Visibility
Estimated Time:1m 0s
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Topics

Large Goods Vehicles (LGVs)

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