Which of these conditions does NOT increase the following distance you should keep, according to the Oregon handbook?
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A.
When approaching or in a work zone.
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B.
On a clear, dry road at 30 mph or less. Correct
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C.
Following a bicycle or motorcycle.
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D.
When stopped on a hill behind another vehicle.
The answer is "On a clear, dry road at 30 mph or less."
The handbook lists nine situations calling for more than the 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. A clear, dry road at the posted speed is the baseline the 2-4 second rule is built for. D catches readers who overlook the hill-stop entry on that list, where the vehicle ahead may roll back as it starts to move.
The traps in the wrong answers
A. 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. This answer ignores the explicit work-zone entry on the increase-distance list.
C. 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. This answer treats the explicit bicyclist/motorcyclist entry on the increase-distance list as a baseline condition.
D. 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. This answer ignores the explicit hill-stop entry on the increase-distance list.
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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