Question

Difficulty: MediumPassing, Overtaking, and Lane Changing Rules

A motorist traveling on an expressway intends to perform a safe lane change to the left. Arrange the following steps in the correct chronological order from first to last.

  1. 1Check rearview and side mirrors to evaluate surrounding traffic flow.
  2. 2Turn on the left turn signal to indicate intent to surrounding traffic.
  3. 3Glance over the left shoulder to verify the blind spot is clear.
  4. 4Smoothly transition into the left lane while maintaining appropriate speed.
  5. 5Turn off the turn signal after fully establishing position in the new lane.

Answer

The proper sequential order for executing a safe lane change is: first, check rearview and side mirrors; second, activate the turn signal; third, perform a head check over the shoulder to clear the blind spot; fourth, steer smoothly into the adjacent lane; and fifth, cancel the turn signal once positioned in the lane.
Safe driving principles require drivers to follow a structured sequence when changing lanes: mirror check for general traffic flow, turn signal activation for communication, over-the-shoulder check for blind spots, controlled movement into the lane, and signal cancellation upon completion.

Step-by-Step Solution

1
Inspect rearview and side mirrors.
Gains initial awareness of traffic behind and to the side.
Helps ensure there are no fast-approaching vehicles prior to signaling.
2
Activate the appropriate directional signal.
Alerts nearby drivers of the intended direction of travel.
Traffic laws require advance warning before altering course.
3
Perform a chin-to-shoulder glance into the blind spot.
Confirms no vehicle is alongside in areas unmonitored by mirrors.
Mirrors leave unobservable zones that require physical head movement to verify.
4
Steer into the target lane.
Vehicle shifts position into the desired travel lane.
Safe path confirmation enables smooth lateral entry.
5
Deactivate the directional indicator.
Turn signal ceases flashing.
Prevents misleading following traffic regarding further turns or lane changes.

Key Concept

Standard Safe Lane Change Procedure Sequence
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