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Question

Difficulty: MediumPassing, Overtaking, and Lane Changing Rules

What is the correct sequential order of steps a driver must follow to safely execute a lane change to the left on a multi-lane highway?

  1. 1Check inside and left side mirrors to assess surrounding traffic flow and vehicle spacing.
  2. 2Activate the left turn signal to communicate intent to other drivers.
  3. 3Perform a shoulder check over the left shoulder to verify the blind spot is clear.
  4. 4Smoothly steer into the left lane while maintaining a safe, consistent speed.
  5. 5Deactivate the turn signal once the vehicle is fully established in the new lane.

Answer

The proper sequence for changing lanes begins with checking mirrors, signaling intent, checking the blind spot over the shoulder, steering smoothly into the lane while maintaining speed, and finally turning off the signal.
Executing a safe lane change requires early observation via mirrors, communicating intent with turn signals, verifying blind spots with a direct head turn, making a smooth lateral transition at speed, and ending communication by canceling the signal.

Step-by-Step Solution

1
Check rearview and side mirrors
Assesses overall traffic conditions and identifies nearby vehicles.
Before signaling or turning, a driver must confirm basic traffic flow is clear.
2
Activate the left turn signal
Warns surrounding motorists of the upcoming maneuver.
Communication must occur in advance of the actual vehicle movement.
3
Check the left blind spot over the shoulder
Ensures no vehicle is hidden in areas not visible in mirrors.
Mirrors leave blind spots that can only be verified by looking directly over the shoulder.
4
Steer into the destination lane while keeping speed steady
Completes the physical transition between lanes safely.
Abrupt slowing during a lane change creates a collision hazard with trailing vehicles.
5
Cancel the turn signal
Prevents ongoing misleading signals to other traffic.
Leaving signals on after completing the maneuver causes confusion.

Key Concept

Standard Safe Lane Change Procedure
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Topics

Passing, Overtaking, and Lane Changing Rules

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