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Tennessee Car / Permit practice

Traffic Laws

Speed limits, turning and signaling rules, headlight and seat-belt requirements, and the everyday laws every driver must follow.

Questions reviewed against the official Tennessee driver handbook · July 7, 2026

14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.

Study questions with answers

12 sample Traffic Laws questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.

  1. 1. A driver is considered to be operating a slow-moving vehicle when traveling:

    Correct answer: 10 mph or more below the lawful maximum speed

    You are a slow-moving vehicle when your speed is 10 mph or more below the lawful maximum; if five or more vehicles stack up behind you, pull off when safe.

    Source: Tennessee Comprehensive Driver License Manual — Slow-Moving Vehicles

  2. 2. Tennessee law requires headlights to be switched on in daylight whenever:

    Correct answer: The wipers are running continuously due to precipitation

    Whenever rain, mist, or snow requires steady use of the windshield wipers, the headlights must also be on.

    Source: Tennessee Comprehensive Driver License Manual — Use of Headlights

  3. 3. A left turn on a red light is allowed in Tennessee only when turning:

    Correct answer: From a one-way street onto another one-way street

    A left turn on red is permitted only when moving from a one-way street onto another one-way street, after a complete stop.

    Source: Tennessee Comprehensive Driver License Manual — Left Turns

  4. 4. While driving down a hill, Tennessee law says a driver must never:

    Correct answer: Coast with the transmission in neutral

    Coasting downhill with the transmission in neutral or the clutch pressed in is prohibited because it reduces control of the vehicle.

    Source: Tennessee Comprehensive Driver License Manual — Coasting Prohibited

  5. 5. When you meet an oncoming vehicle at night with your high beams on, Tennessee law requires you to dim them within:

    Correct answer: 500 feet

    You must lower your high beams when an oncoming vehicle is within 500 feet, or when following another vehicle within 500 feet.

    Source: Tennessee Comprehensive Driver License Manual — Dimming of Headlights Required

  6. 6. Before making a turn, a Tennessee driver should turn on the signal at least:

    Correct answer: 50 feet ahead

    You must activate your turn signal a minimum of 50 feet before making the turn or lane change.

    Source: Tennessee Comprehensive Driver License Manual — Signaling a Turn

  7. 7. In Tennessee, your headlights must be turned on during which time period?

    Correct answer: From 30 minutes after sunset to 30 minutes before sunrise

    Headlights are required from 30 minutes after sunset until 30 minutes before sunrise.

    Source: Tennessee Comprehensive Driver License Manual — Use of Headlights

  8. 8. Unless a sign prohibits it, a right turn on a red light in Tennessee is permitted:

    Correct answer: After a complete stop when the way is clear

    You may turn right on red after coming to a complete stop and yielding, as long as no sign forbids the turn and no pedestrians or cross traffic are present.

    Source: Tennessee Comprehensive Driver License Manual — Turns Permitted on Red

  9. 9. When driving through a roundabout in Tennessee, you should travel:

    Correct answer: Counterclockwise, to the right of the island

    Traffic in a roundabout moves counterclockwise, to the right, and you must yield to vehicles already circulating.

    Source: Tennessee Comprehensive Driver License Manual — Roundabouts

  10. 10. In Tennessee, making a U-turn is specifically illegal:

    Correct answer: On any interstate highway

    U-turns are never allowed on interstate highways; median crossovers are reserved for emergency and maintenance vehicles.

    Source: Tennessee Comprehensive Driver License Manual — U-Turns

  11. 11. Tennessee's hands-free law makes it illegal for a driver to:

    Correct answer: Physically hold a phone while driving

    Under the 2019 hands-free law, a driver may not hold a cell phone or mobile device with any part of the body while driving.

    Source: Tennessee Comprehensive Driver License Manual — Distracted Driving / Hands Free

  12. 12. On the interstate, if you miss your exit, Tennessee law requires you to:

    Correct answer: Continue on to the next exit

    Backing up on the interstate is illegal; if you miss an exit you must continue to the next one.

    Source: Tennessee Comprehensive Driver License Manual — Backing / Leaving the Interstate

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Every Tennessee question is written from the official Tennessee driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free