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Montana Traffic Laws and Road Rules Flashcards

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

Read the first 6 Montana Traffic Laws and Road Rules flashcards as text

  1. What is Montana's general daytime speed limit on interstate highways outside urban areas for passenger vehicles?

    Answer: 80 mph

    Montana's daytime speed limit on rural interstate highways is 80 mph for passenger vehicles.

  2. What is the legal blood alcohol concentration (BAC) limit for drivers under 21 in Montana?

    Answer: 0.02%

    Montana has a zero-tolerance law for underage drinking and driving, with an illegal BAC threshold of 0.02% for drivers under 21.

  3. In Montana, at what age are passengers required to wear a seat belt in a moving vehicle?

    Answer: All passengers regardless of age

    Montana's seat belt law requires all vehicle occupants regardless of age to be properly restrained.

  4. What is the Montana Move Over Law designed to protect?

    Answer: Emergency responders and stopped vehicles on the roadside

    Montana's Move Over Law requires drivers to change lanes or slow down when passing stopped emergency vehicles and other vehicles with flashing lights on the roadside.

  5. When must Montana drivers use their headlights?

    Answer: From sunset to sunrise and when visibility is less than 500 feet

    Montana law requires headlights from sunset to sunrise and any time visibility is reduced to less than 500 feet.

  6. What is the legal passing distance when overtaking a bicycle in Montana?

    Answer: At least 3 feet

    Montana law requires motor vehicles to maintain at least 3 feet of clearance when passing a bicyclist.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. mvdmt.gov — Test delivery, renewal, score validity, fees, eligibility · verified Oct 2026