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Montana

Most recently reviewed July, 2008.

Aggressive Driving Laws
None
Sources: National Conference of State Legislatures (NCSL), National Highway Traffic Safety Administration (NHTSA) and State Highway Safety Offices.
Cell Phone Driving Laws

Crash
Data
Collected

Preemption Laws

Handheld Ban

Texting Ban

All Cell Phone Ban

Enforcement

School Bus Drivers

Novice Drivers
Yes            
Sources: American Automobile Association (AAA), Insurance Institute for Highway Safety (IIHS), National Conference of State Legislatures (NCSL), National Transportation Safety Board (NTSB) and State Highway Safety Offices.
Child Passenger Safety Laws

Child Restraint Required
unless indicated, # refers to Yrs.(Lbs.)

Adult seat belt Permissible
unless indicated, # refers to Yrs.(Lbs.)

Maximum Fine
First Offense

<6 (and <60)

Not permissible

$100
Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Offices.
Drug Impaired Driving Laws

Per Se Laws for Drugs
(Forbidding Prohibited Substances in
Driver's Body)

DEC/DRE Programs
(Providing Law Enforcement Training)

 

 Limited

Source: State Highway Safety Offices.

Drunk Driving Laws

Admin. License
Suspension on
First Offense

Limited Driving Privileges During Suspension

Increased Penalties for High Blood Alc. Concentration (BAC)

Open Container, Repeat Offender Laws

Vehicle and License
Plate
Sanctions

Ignition Interlocks

Alcohol Exclusion Laws Limiting Treatment Opportunity

  Both Impoundment, Vehicle Confiscation Discretionary Yes
Sources: Ensuring Solutions to Alcohol Problems, Insurance Institute for Highway Safety (IIHS), Mothers Against Drunk Driving (MADD), National Highway Traffic Safety Administration (NHTSA) and State Highway Safety Offices.
Graduated Driver Licensing (GDL) Laws

Learner Stage

Intermediate Stage

Full Privilege
Min. Age
(Yrs./Mos.)

Required
Supervised
Driving (Hrs.)
(Nighttime hours in parenthesis)

Special Cell
Phone Provisions

Min.
Age
(Yrs./
Mos.)

Duration
(Mos.)

Min. Age
(Yrs./Mos.)

Nighttime Driving Restriction

Passenger
Restriction*
(* family members
exempt)

14 / 6 6 15 11 p.m. - 5 a.m. First 6 mos.–no more than 1 pass <18; second 6 mos.–no more than 3 passengers <18 16 50 (10)  
Sources: Insurance Institute for Highway Safety (IIHS), American Automobile Association (AAA) and State Highway Safety Offices.

Helmet Laws

Motorcyclists

Bicyclists

All Helmet Law

Partial Law

All Helmet Law Repealed

 

<18

1977

 
Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Offices.
Mature Driver Laws

General Population Length of Renewal
(Yrs.)

Provisions for Older Drivers
(Yrs.)

8 (or 4 by mail)

Renewal every 4 yrs. for >75
Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Offices.
Seat Belt Laws

Type of Law

Who is Covered
(Yrs.)

In What Seat

Maximum Fine
First Offense
Secondary

>6

All

 $20
Sources: Insurance Institute for Highway Safety (IIHS), National Highway Traffic Safety Administration (NHTSA) and State Highway Safety Offices.
Segway Laws

Permitted on Sidewalks/Bicycle Paths

Permitted on Roads

Helmets Required

Minimum Age

Pedestrian Laws Apply

Sidewalks and bicycle paths

Yes on roadways w/ speed limits up to 35 mph

 

 

 
Sources: Segway LLC and State Highway Safety Offices.
Sobriety Checkpoint Laws

Checkpoints Conducted?

Comments

No

Statute only permits safety spotchecks
Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Offices.
Speed Limit Laws

Rural Interstates

Urban Interstates

Other Limited Access Roads

Cars
(mph)

Trucks
(mph)

Cars
(mph)

Trucks
(mph)

Cars
(mph)

Trucks
(mph)

75 65 65 65 70 or 65 at night 65 or 60 at night

Sources: Insurance Institute for Highway Safety (IIHS) and State Highway Safety Offices.
Speed and Red Light Cameras

None

Sources: National Conference of State Legislatures (NCSL), Insurance Institute for Highway Safety (IIHS) and State Highway Safety Offices.
Work Zone Speed Limit Laws

Multiple of Original Fine

Violations Affected

Workers Must Be Present

Double

All traffic violations

Yes
Sources: National Work Zone Safety Information Clearinghouse and State Highway Safety Offices.