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Question

Difficulty: MediumLane Discipline

You are driving a vehicle that loses speed on a steep motorway incline where a climbing (crawler) lane is provided. In what order should you carry out the following actions to maintain proper lane discipline?

  1. 1Check your mirrors and signal left in good time before moving across
  2. 2Move into the climbing lane on the left to allow faster traffic to proceed
  3. 3Remain in the climbing lane throughout the gradient while other vehicles overtake
  4. 4Check right-hand mirrors and blind spots before rejoining the main running lane as the climbing lane ends

Answer

The correct sequence begins with checking mirrors and signalling left, moving into the climbing lane, remaining in the climbing lane during the ascent, and finally checking right-hand mirrors and blind spots before rejoining the main running lane as the climbing lane ends.
According to the Highway Code, climbing (crawler) lanes are provided on steep motorway gradients so slow-moving traffic can pull to the left and avoid obstructing faster vehicles. The procedure begins with the Mirrors - Signal - Manoeuvre routine to safely enter the climbing lane, staying in that lane throughout the climb, and finishing with comprehensive mirror and blind-spot checks before merging back into the normal running lane as the climbing lane terminates.

Step-by-Step Solution

1
Apply the Mirrors - Signal - Manoeuvre routine before entering the climbing lane.
Observation and indication confirm that moving left into the newly opened crawler lane is safe without endangering following traffic.
Safe lane changes always require checking mirrors and signalling intentions prior to altering course.
2
Transition smoothly into the designated climbing lane on the left.
The main running lanes remain clear of slow-moving obstruction.
The Highway Code instructs slower traffic to use climbing lanes to prevent congestion on steep gradients.
3
Maintain vehicle progress within the climbing lane for the duration of the hill climb.
Faster-moving vehicles can pass unhindered in the main carriageway lanes.
Proper lane discipline requires remaining in the dedicated lane until the gradient levels out.
4
Observe right-hand mirrors, check the blind spot over your right shoulder, and merge back into the main carriageway.
The vehicle safely rejoins the normal running lane as the crawler lane terminates.
Climbing lanes end near the summit, requiring drivers to yield and safely merge back into the continuing traffic flow.

Key Concept

Proper use of motorway climbing (crawler) lanes and the Mirrors - Signal - Manoeuvre routine when entering and exiting dedicated lanes.
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Topics

Lane Discipline

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