MI DMV Traffic Laws and Regulations 3 — Questions and Answers
Question 1: In Michigan, what is the blood alcohol concentration (BAC) limit for drivers under 21 years old?
- 0.08%
- 0.04%
- 0.02% (Correct answer)
- Zero tolerance — any detectable amount
Correct answer: 0.02%
Michigan has a 0.02% BAC limit for drivers under 21, reflecting a zero-tolerance approach to underage drinking and driving.
Question 2: When may a Michigan driver legally use a cell phone while driving?
- Only to make outgoing calls
- When using a hands-free device (Correct answer)
- When stopped at a red light
- Never, under any circumstances
Correct answer: When using a hands-free device
Michigan law prohibits holding or manually using a phone while driving but permits use of hands-free devices.
Question 3: A Michigan driver's license is automatically suspended if they are convicted of:
- Speeding 10 mph over the limit
- Failure to yield to a pedestrian
- Driving while license is suspended (Correct answer)
- Improper lane change
Correct answer: Driving while license is suspended
Driving while license is suspended (DWLS) in Michigan results in an automatic additional suspension upon conviction.
Question 4: In Michigan, what is the required following distance rule commonly used to determine a safe gap?
- One car length per 10 mph of speed
- The two-second rule (Correct answer)
- 50 feet minimum at all speeds
- Three car lengths at highway speeds
Correct answer: The two-second rule
Michigan driving guidelines recommend the two-second rule — your vehicle should pass a fixed point at least 2 seconds after the vehicle ahead.
Question 5: In Michigan, when are you required to turn on your headlights?
- Only between midnight and 5 a.m.
- From sunset to sunrise and when visibility is less than 500 feet (Correct answer)
- Whenever it is raining, regardless of visibility
- Only in officially designated low-visibility zones
Correct answer: From sunset to sunrise and when visibility is less than 500 feet
Michigan law requires headlights from sunset to sunrise and any time visibility is reduced to less than 500 feet.
Question 6: What does a solid white line between lanes of traffic in Michigan indicate?
- Lane changes are encouraged in this area
- Lane changes are discouraged and drivers should stay in their lane (Correct answer)
- The lane is reserved for HOV traffic
- Parking is permitted along this line
Correct answer: Lane changes are discouraged and drivers should stay in their lane
A solid white line between lanes indicates that lane changes are discouraged, such as near intersections or in merge zones.
Question 7: Under Michigan law, which vehicle must always yield to a transit bus re-entering traffic from a bus stop?
- Only vehicles in the right lane
- All vehicles in the immediate lane the bus is entering (Correct answer)
- No vehicles — the bus must wait for a safe gap
- Only vehicles traveling under 35 mph
Correct answer: All vehicles in the immediate lane the bus is entering
Michigan law requires drivers to yield to transit buses signaling to re-enter traffic from a designated bus stop.
MI DMV Traffic Laws and Regulations 3
In Michigan, what is the blood alcohol concentration (BAC) limit for drivers under 21 years old?