Driver's License Test Prep
Oregon Practice Defensive Driving

Which of these conditions does NOT increase the following distance you should keep, according to the Oregon handbook?

  1. A.
    Following a bicycle or motorcycle.
  2. B.
    On a clear, dry road at the speed limit. Correct
  3. C.
    When stopped on a hill behind another vehicle.
  4. D.
    When approaching or in a work zone.
The Why

The answer is "On a clear, dry road at the speed limit."

The handbook lists nine specific situations that call for more than the standard 2-4 second cushion: wet or slippery roads, a driver behind you wanting to pass, following bicyclists or motorcyclists, following drivers who cannot see you, heavy loads or trailers, poor visibility, stops on hills, learning to drive, and work zones. Driving on a clear, dry road at the posted speed limit is the baseline the 2-4 second rule is built for, not a trigger for extra space.

Why the others miss

The traps in the wrong answers

A. Following a bicycle or motorcycle.

The handbook explicitly lists following people riding bicycles or motorcycles as a reason to leave extra room, in case the rider loses control or stops suddenly. Misreading: Treats the explicit bicyclist/motorcyclist entry on the increase-distance list as a baseline condition.

C. When stopped on a hill behind another vehicle.

The handbook lists stops on hills as a reason to increase following distance because the vehicle ahead may roll back when it starts to move. Misreading: Ignores the explicit hill-stop entry on the increase-distance list.

D. When approaching or in a work zone.

Work zones are explicitly listed as a reason to increase following distance because traffic may slow or stop unexpectedly. Misreading: Ignores the explicit work-zone entry on the increase-distance list.

The Rule

This question tests your knowledge of Defensive Driving in Oregon. Source: Oregon Driver Manual, "Maintaining a Space Cushion - Following Distance," p.27..

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