Autonomous Vehicle Laws: Michigan
AV testing authorized under specified conditions.
Michigan
GHSA maintains data on state laws surrounding a number of highway safety issues. Below is information regarding laws in the state of Michigan. For more information, consult the State Highway Safety Office.
Bicycle Helmet Laws: Michigan
No bicycle helmet laws.
Motorcycle Helmet Laws: Michigan
Helmets required for riders under 21 or for riders and passengers without additional insurance. Universal helmet law repealed 2012.
Sobriety Checkpoint Laws: Michigan
Checkpoints are not conducted. They are illegal under state Constitution.
Mature Driver Laws: Michigan
Length of Regular Renewal Cycle
4 years
Provisions for Mature Drivers
None
Drug-Impaired Driving Laws: Michigan
DUID Zero Tolerance or Per se Laws for Some Drugs
- Zero tolerance for some drugs
Marijuana-Specific Laws
- Possession and Use: Legal for medical use
- Impaired Driving: Zero tolerance for THC
Speed Limit Laws: Michigan
Rural Interstates
| Cars (MPH) | Trucks (MPH) |
|---|---|
| 70 (75 on select segments) | 65 |
Urban Interstates
| Cars (MPH) | Trucks (MPH) |
|---|---|
| 70 | 60; 55 if speed limit for cars is less than 70 MPH |
Other Limited Access Roads
| Cars (MPH) | Trucks (MPH) |
|---|---|
| 70 |
Alcohol Impaired Driving Laws: Michigan
Penalties
| Increased Penalty for High BAC | Administrative License Suspension on First Offense | Limited Driving Privileges During Suspension | Vehicle and License Plate Sanctions |
|---|---|---|---|
| .17 | Administrative license suspension for refusal to submit to chemical test | After 45 days | Vehicle confiscation |
Ignition Interlocks
Mandatory for high BAC convictions, restricted driving conditions
Child Passenger Safety Laws: Michigan
Child Restraint Required
7 yrs or under and under 57" tall
Under 4 yrs in rear seat if available
Adult Safety Belt Permissible
8-15 yrs or 57" or taller
Maximum Fine for 1st Offense
$10 for under 4 yrs
$25 for 4-8 yrs and under 4'9" tall
Teen and Novice Drivers: Michigan
An overview of Michigan traffic safety laws pertaining to teen and novice drivers.