Alcohol Impaired Driving Laws: Montana

Penalties

Increased Penalty for High BAC Administrative License Suspension on First Offense Limited Driving Privileges During Suspension
.16 6 months Yes

Ignition Interlocks

Mandatory for repeat convictions

Other

Open Container Laws Repeat Offender Laws
Yes No

 

State
Montana
Issue
Alcohol Impaired Driving
Determinations
Increased penalty for high BAC

0.16

Administrative license suspension on first offense

6 months

Limited driving privileges during suspension

Yes

Ignition Interlocks

Mandatory for repeat convictions

Open container laws

Yes

Repeat Offender Laws

No