Question

Difficulty: MediumPassing, Overtaking, and Lane Changing Rules

A driver traveling on a multi-lane highway needs to move into the left lane. What is the correct sequence of actions the driver must perform to safely complete this lane change?

  1. 1Check rear-view and side mirrors to assess overall traffic behind and alongside.
  2. 2Activate the left turn signal to alert surrounding drivers of the intended maneuver.
  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 traveling speed.

Answer

The proper sequence for executing a safe lane change is to first check rear-view and side mirrors, activate the turn signal to communicate intent, look over the shoulder to check the blind spot, and finally steer smoothly into the target lane.
Safe driving principles require establishing situational awareness, signaling intent, verifying clear space in blind spots, and executing the steer smoothly. Checking mirrors establishes general traffic flow, signaling informs surrounding traffic, a head check covers unmonitored blind zones, and steering completes the action once clear.

Step-by-Step Solution

1
Check rear-view and side mirrors
Provides immediate awareness of traffic approaching from behind.
Drivers must verify that general traffic flow permits a maneuver before taking further action.
2
Turn on the turn signal
Warns other road users of the upcoming vehicle movement.
Communicating intent in advance prevents surprise maneuvers and gives other drivers time to react.
3
Look over the left shoulder (blind spot check)
Identifies vehicles hidden from mirror view.
Side and rear-view mirrors have blind spots that can conceal adjacent vehicles.
4
Steer into the target lane
Completes the lane change safely.
Once space and safety are verified through all visual checks, the driver can execute the lane transition.

Key Concept

Sequential routine for safe lane changing and blind spot verification
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