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Difficulty: HardOff-Road Recovery and Pavement Edge Drops

While traveling along a highway near a construction area, your vehicle's right-side tires drop off a four-inch vertical pavement drop-off onto a low, unpaved shoulder. Which sequence of driver actions best prevents scrub-lock and loss of control when returning the vehicle to the roadway?

  1. Maintain a firm grip on the steering wheel, ease off the accelerator without pressing the brakes hard, straddle the pavement edge until vehicle speed drops, then check for traffic and turn the wheel smoothly a quarter-turn back onto the pavement.Answer
  2. B
    Slam firmly on the brake pedal immediately to reduce speed, then turn the steering wheel sharply toward the paved lane to force the front tire over the concrete lip.
  3. C
    Accelerate firmly to generate upward force while turning the steering wheel hard to the left so the tire tread can grip the raised pavement edge.
  4. D
    Apply firm, continuous braking while steering farther right off the shoulder into the ditch to come to a complete stop before attempting to re-enter.

Answer

Maintain a firm grip on the steering wheel, ease off the accelerator without pressing the brakes hard, straddle the pavement edge until vehicle speed drops, then check for traffic and turn the wheel smoothly a quarter-turn back onto the pavement.
When a vehicle drops onto a lower shoulder, the correct recovery technique requires stabilizing steering control and reducing speed gradually without hard braking. Once the vehicle slows down, turning smoothly allows the tires to climb the lip safely without causing an overcorrection skid.

Step-by-Step Solution

1
Stabilize steering and control speed without aggressive inputs.
Vehicle maintains straight travel straddling the pavement drop-off.
Hard braking or immediate sharp turning creates uneven friction between paved asphalt and loose dirt, leading to violent loss of control.
2
Decelerate naturally by easing off the throttle.
Vehicle speed decreases to a safe recovery range (typically under 25 mph).
Lower speeds reduce tire scrubbing forces against the vertical pavement edge.
3
Check surrounding traffic and execute a controlled turn back onto the paved surface.
The right tires climb cleanly over the edge drop without overshooting into adjacent lanes.
A deliberate quarter-turn steering input allows tire tread to climb the lip rather than dragging along the side of the edge.

Key Concept

Off-Road Recovery and Pavement Edge Drops
Estimated Time:1m 30s
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Topics

Off-Road Recovery and Pavement Edge Drops

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