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Traffic Laws Flashcards

5 cards from real TN DMV practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 5 Traffic Laws flashcards as text
  1. What is the legal blood alcohol concentration (BAC) limit for drivers aged 21 and over in Tennessee?

    Answer: 0.08%

    In Tennessee, as in most U.S. states, the legal blood alcohol concentration (BAC) limit for drivers aged 21 and over is 0.08%. Driving with a BAC at or above this limit is considered driving under the influence (DUI). This limit is established to prevent impaired driving and enhance road safety for everyone.

  2. When approaching a school bus that is stopped with its red lights flashing on a two-lane road, what must a driver do?

    Answer: Stop and wait until the lights stop flashing

    When a school bus stops on a two-lane road with its red lights flashing, it signals that children are entering or exiting. Drivers in both directions are legally required to stop and remain stopped until the red lights are turned off and the bus begins to move. This law is paramount for ensuring the safety of children crossing the road.

  3. In Tennessee, what is the speed limit in a residential area unless otherwise posted?

    Answer: 25 mph

    In Tennessee, the default speed limit in a residential area is 25 mph, unless a different speed is clearly posted. This lower speed limit is set to increase safety for pedestrians, children, and other residents in areas with higher population density. Drivers should always be attentive to posted signs, but this is the general rule.

  4. How many feet before making a turn must a driver signal their intention in Tennessee?

    Answer: 100 feet

    Tennessee law mandates that drivers signal their intention to turn or change lanes at least 100 feet before executing the maneuver. This requirement provides other drivers with ample warning, allowing them to anticipate and react safely to the turning vehicle. Early signaling is a fundamental practice for preventing collisions and maintaining smooth traffic flow.

  5. What is the consequence for a first-time offense of driving without insurance in Tennessee?

    Answer: Suspension of driver's license

    In Tennessee, driving without valid automobile insurance is a serious violation of state law. For a first-time offense, the primary consequence is typically the suspension of the driver's license. This penalty underscores the state's commitment to ensuring all drivers are financially responsible for potential accidents.

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Sources & references

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  1. tn.gov — Fees, renewal, score validity, test delivery, eligibility, exam format, passing score, time limit · verified Oct 2026