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Tennessee Class D Knowledge Test Practice
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Weather, Visibility & EmergenciesStandalone practice
Tennessee law sets a time period each night when your headlights must be on. What is that period?
Correct answer: From 30 minutes after sunset until 30 minutes before sunrise
Why
The 30-minute margin covers dusk and dawn, when light fades and other drivers have trouble seeing you. Headlights are also required whenever you cannot see people or vehicles clearly at 200 feet. Many drivers turn on the low beams at dusk, before the legal time, so that others can see them.
Verified against Tennessee Comprehensive Driver License Manual · Use of Headlights — Required night use · p. 59
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