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Oklahoma Class D Knowledge Test Practice
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Weather, Visibility & EmergenciesStandalone practice
At night on a dark two-lane highway, you use your high beams. You come up behind a slower car in your lane. At what distance behind it must you switch to low beams?
On a dark two-lane highway, A follows slower B in the same lane with its high beams on. The long beam reaches toward B; no following distance is stated in the question image.
Correct answer: At 600 feet behind it
Why
High beams reflect off the other driver's mirrors and can blind that driver. For an oncoming vehicle, dim within 1,000 feet. Use high beams on open roads when no other cars are near.
Verified against Oklahoma Driver Manual · Using High and Low Headlight Beams Properly · p. 59
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