Child Passenger Safety Laws: Montana
Child Restraint Required
Under 6 yrs and under 60 lbs
Montana
GHSA maintains data on state laws surrounding a number of highway safety issues. Below is information regarding laws in the state of Montana. For more information, consult the State Highway Safety Office.
Montana
Motorcycle Helmet Required?
Helmets required for riders under 18. Universal helmet law repealed 1977.
Montana
Length of Regular Renewal Cycle
8 years (or 4 years by mail)
Montana
Provisions for Mature Drivers
75 and over: renewal every 4 years
Montana
DUID Zero Tolerance or Per se Laws for Some Drugs
Per se >0 for some drugs
Montana
Marijuana Possession and Use
Legal for medical use
Montana
Marijuana Impaired Driving
THC per se (5 ng)
Montana
Rural Interstates: Cars (MPH)
80
Montana
Rural Interstates: Trucks (MPH)
70
Montana
Urban Interstates: Cars (MPH)
65
Montana
Urban Interstates: Trucks (MPH)
65
Montana
Other Limited Access Roads: Cars (MPH)
Day: 70 Night: 65
Montana
Other Limited Access Roads: Trucks (MPH)
Day: 70 (Light Trucks), 60 (Heavy Trucks) Night: 65 (Light Trucks), 55 (Heavy Trucks)
Montana
Administrative license suspension on first offense
6 months
Montana
Limited driving privileges during suspension
Yes
Montana
Ignition Interlocks
Mandatory for repeat convictions
Montana
Open container laws
Yes
Montana
Repeat Offender Laws
No
Montana
Increased penalty for high BAC
0.16
Montana
Child Restraint Required
Under 6 yrs and under 60 lbs
Montana
Adult Safety Belt Permissible
6 yrs and older and over 60 lbs
Montana
Full Privilege Minimum Age
16 years
Montana
Learner Stage: Minimum Age (Years/Months)
14 / 6
Montana
Learner Stage: Minimum Duration (Months)
6
Montana
Learner Stage: Supervised Driving Hours (Night Hours in Parenthesis)
50 (10)
Montana
Intermediate Stage: Minimum Age (Years/Months)
15
Montana
Intermediate Stage: Nighttime Driving Restriction
11 p.m. - 5 a.m.
Montana
Intermediate Stage: Passenger Restrictions (Except Family, Unless Noted)
First 6 months: no more than 1 under 18 Second 6 months: no more than 3 under 18
Montana
Type of Law
Secondary
Montana
Who is Covered?
6 and over
Montana
In What Seat?
All
Montana
All Cell Phone Ban? School Bus Drivers
No
Montana
All Cell Phone Ban? Novice Drivers
No
Montana
Text Messaging Ban?
No
Montana
Hand-Held Ban?
No
Montana
Speed Cameras: State Law
None
Montana
Speed Cameras: Where Permitted
n/a
Montana
Red Light Cameras: State Law
Prohibited
Montana
Red Light Cameras: Where Permitted
n/a
Teen and Novice Drivers: Montana
Full Privilege Minimum Age
16 years
Seat Belt Laws: Montana
Type of Law
Secondary
Speed and Red Light Cameras: Montana
Speed Cameras
None
Red Light Cameras
Prohibited
Work Zone Traffic Laws: Montana
Violations Affected
All
Enhanced Penalties
Minimum double original fine
Workers Must Be Present?
Yes
Signs Must Be Present?
Yes