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Question

Difficulty: MediumParking, Standing, and Stopping Regulations

While securing a passenger car parked on a steep upgrade adjacent to a concrete curb, how should the driver position the front wheels to prevent the car from rolling into traffic if the brakes fail?

  1. Turn the front wheels away from the curb so that the back of the tire will catch against the curb if the car rolls.Answer
  2. B
    Turn the front wheels toward the curb so that the front edge of the tire rests against the street curb.
  3. C
    Keep the front wheels pointed straight ahead so that the vehicle remains parallel to the curb line.
  4. D
    Turn the front wheels toward the left while leaving the transmission shifting gear in neutral.

Answer

The driver should turn the front wheels away from the curb (toward the roadway) so that if the vehicle rolls backward, the back edge of the front tire will catch against the curb face and hold the vehicle in place.
When parking facing uphill along a road with a raised curb, turning the front wheels away from the curb ensures that if the vehicle rolls backward, the back of the front tire contacts the curb face, preventing the car from rolling down the hill.

Step-by-Step Solution

1
Identify the direction of the incline and the presence of a curb.
The vehicle is facing uphill (upgrade) on a street bordered by a concrete curb.
Gravity pulls the vehicle backward down the incline, requiring the curb to serve as a physical stop.
2
Determine the wheel angle that turns the tire into the curb upon backward roll.
Turning the front wheels away from the curb causes the rear edge of the front tire to swing into the curb if the vehicle moves backward.
The curb acts as a wheel chock, stopping further backward movement into active lanes of traffic.

Key Concept

Uphill Parking Wheel Orientation Rules
Estimated Time:1m 0s
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Topics

Parking, Standing, and Stopping Regulations

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