Question

Difficulty: MediumPassing, Overtaking, and Lane Changing Rules

When executing a pass on a two-lane roadway, when is a driver legally permitted and safe to return to the right lane?

  1. When the entire front of the passed vehicle, including both headlights, is visible in the driver's inside rearview mirrorAnswer
  2. B
    As soon as the rear bumper of the passing vehicle clears the front bumper of the passed vehicle
  3. C
    After accelerating up to 10 mph above the posted speed limit to clear the opposing lane as quickly as possible
  4. D
    When approaching within 100 feet of an upcoming intersection to ensure the maneuver is completed before crossing

Answer

A driver should return to the right lane after passing only when the entire front of the passed vehicle, including both headlights, is clearly visible in the inside rearview mirror.
Traffic safety regulations require drivers to wait until the entire front of the passed vehicle—including both headlights—is visible in the inside rearview mirror before signaling and returning to the right lane. This maintains a safe distance cushion.

Step-by-Step Solution

1
Determine the safety requirement for returning to the original lane after overtaking on a two-lane road.
Identify that a sufficient forward space cushion must be established before merging in front of the overtaken vehicle.
Merging too early reduces the stopping distance of the vehicle behind and creates a crash risk.
2
Apply standard driver education visual criteria for vehicle clearance.
Observing both headlights of the passed vehicle in the center rearview mirror indicates adequate safe distance.
This visual reference guarantees that the vehicle is far enough behind to allow a safe lane return.

Key Concept

Safe lane return visual check after passing
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