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Difficulty: MediumRegulatory Signs

A motorist is driving in the far-right lane of a suburban roadway and approaches an intersection controlled by a solid green circular traffic signal. Positioned beside the lane is a white rectangular regulatory sign that reads 'RIGHT LANE MUST TURN RIGHT'. The motorist intends to continue straight through the intersection. What action is the driver legally required to take?

  1. Turn right from the right lane as commanded by the regulatory sign, or safely merge into an adjacent through-lane before reaching the solid intersection line.Answer
  2. B
    Proceed straight through the intersection because a solid green circular traffic light overrides posted lane control regulatory signs.
  3. C
    Come to a complete stop at the stop line, yield to cross traffic, and then proceed straight when the intersection is clear.
  4. D
    Overtake vehicles in the left adjacent lane while inside the intersection boundaries to resume traveling straight.

Answer

The driver must turn right from the designated lane as directed by the regulatory sign, or execute a lawful lane change into a through-lane prior to entering the intersection.
Black-and-white rectangular signs are regulatory signs that convey enforceable traffic laws. A 'RIGHT LANE MUST TURN RIGHT' sign legally obligates all vehicles in that lane to execute a right turn. If a driver wishes to proceed straight, they must transition out of the mandatory turn lane into a designated through-lane prior to reaching the intersection area.

Step-by-Step Solution

1
Identify the type and mandate of the posted traffic sign.
The white rectangular sign 'RIGHT LANE MUST TURN RIGHT' is a regulatory sign that establishes mandatory movement rules for vehicles in that lane.
Regulatory signs inform road users of traffic laws and mandatory requirements that must be obeyed.
2
Analyze the relationship between the green signal light and the regulatory sign.
A solid green signal indicates vehicles may proceed, but movement must conform to lane restrictions posted by regulatory signs.
Traffic lights indicate when to go, while regulatory lane-use signs dictate where traffic in specific lanes is permitted or required to go.
3
Determine the legal driving maneuvers available to the driver.
Because going straight from the right lane is strictly prohibited by the sign, the driver must either complete the right turn or make a safe lane change into a through-lane before entering the intersection.
Drivers must align their vehicle with the appropriate lane designated for their intended direction of travel before reaching the intersection.

Key Concept

Mandatory Lane Control Regulatory Signs
Estimated Time:1m 0s
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Topics

Regulatory Signs

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