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Difficulty: MediumMountain Driving, Steep Grades, and Altitude Hazards

When two vehicles meet on a steep, narrow mountain road where neither vehicle can pass, which driver is required to yield the right-of-way by backing up?

  1. The vehicle traveling downhill, because the driver heading uphill has less control when backing down a grade.Answer
  2. B
    The vehicle traveling uphill, because downhill vehicles have greater momentum and cannot stop safely.
  3. C
    The heavier or larger vehicle, regardless of whether it is traveling uphill or downhill.
  4. D
    The vehicle that arrived at the narrow section second, regardless of incline direction.

Answer

The vehicle traveling downhill must yield the right-of-way by backing up until the vehicle traveling uphill can pass.
On narrow mountain roads where two vehicles cannot pass, the vehicle facing downhill must yield by backing up. The driver traveling uphill has much less control when attempting to back down a steep incline, making backing up by the downhill vehicle the safer maneuver.

Step-by-Step Solution

1
Identify the situational hazard and constraint.
Two vehicles are meeting on a narrow mountain grade where passing is impossible without one reversing.
Determines which right-of-way rule applies to mountain driving.
2
Apply the statutory mountain yield rule.
The driver traveling downhill is in a safer position to reverse uphill to a turnout.
Reversing downhill presents extreme control hazards, so the uphill-bound vehicle is granted right-of-way.

Key Concept

Mountain Road Narrow Grade Right-of-Way Rules
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Topics

Mountain Driving, Steep Grades, and Altitude Hazards

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