Why should you increase your following distance when approaching or driving in a work zone?
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A.
Traffic may slow or stop unexpectedly Correct
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B.
Construction equipment has the right of way over through traffic
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C.
Lane markings will disappear
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D.
Posted speeds do not apply
The answer is "Traffic may slow or stop unexpectedly"
Traffic in a work zone slows or stops with little warning as lanes merge, flaggers redirect drivers, and construction equipment enters and leaves the road. A larger space cushion gives you time to react. Construction equipment does not outrank through traffic, lane markings usually remain visible, and posted work zone speed limits remain enforceable. The real reason is the unpredictable stops.
The traps in the wrong answers
B. Construction equipment has the right of way over through traffic
The manual tells drivers to yield to workers, not that construction equipment outranks through traffic. It also says, 'Do not follow construction vehicles when in a work zone.'. Misreading: Stretches the 'You are expected to yield to workers' rule into a blanket right-of-way for construction equipment that the manual never grants.
C. Lane markings will disappear
Temporary markings or cones usually replace permanent lines. Misreading: Invents a missing-markings hazard the manual never states; the manual says drivers are guided through work zones by 'signs, cones, flaggers, lane markings, or other devices.'
D. Posted speeds do not apply
Work zone speed limits are enforceable just like any other posted limit. Misreading: Contradicts the Work Zones rule that 'The temporary speed posted in a work zone applies at all times, even if workers are not visible.'
This question tests your knowledge of Defensive Driving in Oregon. Source: Oregon Driver Manual, "Maintaining a Space Cushion - Following Distance," p.28..
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