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Delaware Class D Knowledge Practice Test
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Passing target: 80% (24/30)
Observation, Speed & SpaceStandalone practice
When may a driver travel so slowly that normal traffic is impeded?
Correct answer: When needed for safe operation or required by law.
Why
Unreasonably slow travel may obstruct traffic, but safety conditions and legal controls justify a lower speed.
Verified against Delaware Driver Manual · Unnecessarily slow driving · p. 94
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