Practice following distance, weather, night driving and sharing the road, with questions based on the What Every Driver Must Know (SOS-133).
20 to 30 seconds
Looking far ahead helps you spot hazards and avoid last-second reactions.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 7, Stopping distances, p. 64
About 400 feet
A passenger vehicle at the same speed can stop in about 130 feet, so don't cut in front of a truck.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 6, Commercial vehicles, pp. 53-54
At least 20 feet
A safe distance of at least 20 feet helps you avoid spooking the horse.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 6, Slow-moving vehicles, p. 54
16
All passengers younger than 16 must be buckled up wherever they sit.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 4, Buckle up, it's the law!, p. 25
During the first half hour
Oil dropped by passing vehicles hasn't been washed away yet, and intersections can be especially slick.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 7, Bad weather; Rain and fog, pp. 62-63
Only if the passenger air bag is deactivated
The front passenger air bag must be off if a child in a rear-facing seat is placed in the front.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 4, Air bags, p. 26
25 mph
Examples include Amish buggies, farm machinery, and industrial and construction equipment.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 6, Slow-moving vehicles, p. 54
Before it passes you
Spray from its tires can reduce your vision, so slow down and be ready for it.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 6, Commercial vehicles, pp. 53-54
No, a bicyclist isn't required to use it
Bicyclists may also leave a bicycle lane to turn left or avoid hazards, so watch for them.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 6, Bicyclists, p. 57
More than 15 mph
The law allows exceptions for farmers, construction workers, the military, parades, and emergency and rescue personnel.
We wrote these practice questions from the facts in the What Every Driver Must Know (SOS-133) (Revised October 2025 edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.
DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the Michigan Department of State (Secretary of State), and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.