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Question

Difficulty: MediumParking, Standing, and Stopping Regulations

A driver is preparing to park a passenger car facing uphill on a road shoulder where there is no raised curb. To ensure maximum safety and prevent the vehicle from rolling into traffic if the parking brake fails, how should the front wheels be turned?

  1. Turned to the right, toward the edge of the roadAnswer
  2. B
    Turned to the left, toward the center of the road
  3. C
    Kept straight and parallel with the roadway edge
  4. D
    Turned toward the center line while keeping the transmission in neutral

Answer

Turn the front wheels to the right (toward the side or edge of the road).
When parking facing uphill on a slope without a curb, turning the front wheels toward the right (toward the edge of the road or shoulder) ensures that if the vehicle's parking brake or transmission lock fails, the car will roll backward off the paved roadway away from moving traffic.

Step-by-Step Solution

1
Identify the parking situation constraints
Vehicle is positioned facing uphill on an incline without a physical curb.
Determining the presence or absence of a curb dictates which way the wheels must turn to redirect roll motion.
2
Evaluate the physics of brake failure on an upgrade
If brakes fail without a curb to block movement, gravity will pull the vehicle backward down the hill.
Understanding rollback direction determines the safest path for the vehicle trajectory.
3
Select the correct wheel angle to redirect the vehicle off the road
Turning wheels to the right directs the rear of the vehicle away from traffic toward the shoulder.
If the car rolls backward, right-turned wheels cause the vehicle to steer off the roadway rather than into live travel lanes.

Key Concept

Hill Parking Wheel Placement Without a Curb
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Topics

Parking, Standing, and Stopping Regulations

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