Question

Difficulty: MediumPre-Manoeuvre Observation

You are driving in the middle lane of a three-lane dual carriageway and intend to move into the right-hand lane to overtake a slower vehicle. In what sequence should you carry out the following actions?

  1. 1Check your interior rear-view mirror and right door mirror
  2. 2Signal right to show your intention to change lanes
  3. 3Make a quick sideways glance into the right-hand blind spot
  4. 4Steer smoothly across into the right-hand lane

Answer

The correct sequence is: Check interior and right door mirrors, signal right, check the right blind spot, and steer smoothly into the right-hand lane.
According to the official DVSA driving standard and Highway Code, drivers must apply the Mirrors-Signal-Manoeuvre (MSM) routine when changing lanes. This requires checking the interior mirror and appropriate exterior mirror first, applying the indicator signal to warn other road users, making a quick sideways glance into the blind spot to verify clearance, and finally executing the manoeuvre smoothly.

Step-by-Step Solution

1
Check the interior mirror followed by the right-hand door mirror.
Assesses the presence, distance, and closing speed of vehicles behind and in the adjacent lane.
The driver must evaluate the rearward traffic situation before making any other driving decision.
2
Apply the right-turn direction indicator.
Informs road users ahead and behind of your planned lane change in good time.
Signals must be given only after checking mirrors so you do not mislead other drivers if a manoeuvre is unsafe.
3
Perform a brief sideways glance over the right shoulder into the blind spot.
Detects any vehicle, such as an overtaking car or motorcycle, hidden from mirror view.
Mirrors do not cover the entire area alongside the rear quarter of the vehicle.
4
Move smoothly into the target lane while maintaining appropriate speed.
Completes the lane change safely without cutting across or causing other vehicles to brake.
The manoeuvre is the final phase of the Mirrors-Signal-Manoeuvre (MSM) routine.

Key Concept

Pre-manoeuvre observation requires following the Mirrors-Signal-Manoeuvre (MSM) routine, concluding with a blind-spot shoulder check before altering vehicle position.
Estimated Time:1m 0s
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