Free practice questions based on the What Every Driver Must Know (SOS-133). No sign-up: answer the questions, get your score, and see why each answer is right.
The Michigan Department of State doesn't publish the number of questions or the passing score for its knowledge test, so these are our practice targets, not state rules. It does say you must pass both a general section and a road sign section.
About 20 seconds
That is why you need to act immediately if you are stuck on the tracks.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 4, Railroad crossings, pp. 35-37
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
Six months
A first conviction means six months. One or more priors within seven years means one year.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 2, Alcohol and drugs, pp. 14-15
No, that is prohibited
The ban covers both drivers and passengers in the passenger area of a vehicle on a public way.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 2, Alcohol and drugs, pp. 14-15
Personal protection, property protection and residual liability
Michigan's insurance code requires an owner or registrant to keep all three in effect.
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
To at least 10 mph below the posted limit
Slow to at least 10 mph below the limit and, when traffic and conditions permit, shift over one lane. If you can't, keep as much space as you can.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 4, Emergency vehicles, p. 28
The driver who is merging
The merging driver yields to vehicles close enough to be a hazard and adjusts speed to merge safely with through traffic.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 7, Freeway driving, pp. 60-61; Michigan Vehicle Code, MCL 257.649
The whole cab in your rearview mirror
Wait until the entire cab shows in your rearview mirror, then signal and pull back.
Source: What Every Driver Must Know (SOS-133, Rev. 10/2025), Chapter 6, Commercial vehicles, pp. 53-54
10 p.m. to 5 a.m.
Level 2 drivers can't drive between 10 p.m. and 5 a.m. unless an exception applies, such as a trip for work.
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.