Drinking and Driving Laws in Montana
The State of Montana prohibits driving with a .08 percentage or above, blood alcohol concentration (BAC). The .08 measurement is the standard used across the United States for the "impaired" driver. The State of Montana has lower BAC limits for minors and drivers of commercial vehicles. In addition to the .08 BAC law, Montana also considers a .04 percent a DUI if that fact is considered with other competent evidence.
How many drinks does it take to reach the legal limit in Montana?
It is difficult to determine if a person has reached the .08 legal limit. There are many factors that contribute to a BAC score, including sex, weight, genetics and the amount of time that has passed between drinks. There are BAC calculators and charts that can help you determine your individual BAC score, however these devices should be used as reference tools only and should never be used to determine if an individual will be able to drive safely.
The best answer is not to drink and drive . The State of Montana has strict laws for drunk driving, and when you drink and drive in Montana, you risk your freedom, finances and your future.
Drunk Driving Laws in Montana
State of Montana BAC Laws:
All drivers with a BAC of .04 or higher. ( Potential DUI-Depending on Circumstance)
All drivers with a BAC of .08 or higher.
Under 21 with a BAC of .0 or higher.
Commercial Vehicle Driver with a BAC of .04 or higher.
Montana Drunk Driving Fines & Penalties
First Drunk Driving Conviction
The first time you are convicted of a drunk driving offense in the State of Montana you will serve a minimum of 1 day up to 6 months in jail. You will also be fined from $300-$1,000. If there was a passenger under the age of 16 in the vehicle at the time of the arrest, you will serve a minimum of 2 days in jail or up to 12 months, and receive a fine from $600-$2,000. Your drivers license will also be suspended for 6 months.
Second Drunk Driving Conviction
The second time you are arrested for drunk driving in Montana you will be fined from $600-$1,000. You will also be ordered to serve a minimum of 7 days in jail up to 6 months. If there was a passenger under the age of 16 in the vehicle at the time of the arrest, you will serve a minimum of 14 days, or up to 12 months in jail and receive a fine from $1,200-$2,000. Some of the imprisonment may be suspended if the person completes a chemical dependence treatment program. The court may order you to install an ignition interlock device on your vehicle at your own expense during your probationary period. Your drivers license will be suspended for 1 year and your vehicle may be forfeited on the second or subsequent DUI.
Third Drunk Driving Conviction
For your 3rd drunk driving conviction in the State of Montana you will be ordered to serve a minimum of 30 days in jail or up to 1 year. You will also be fined from $1,000-$5,000. If there was a passenger under the age of 16 in the vehicle at the time of the arrest, you will serve a minimum of 60 days, or up to 12 months in jail and receive a fine from $2,000-$10,000. The court may order you to install an ignition interlock device on your vehicle at your own expense during your probationary period. Your drivers license will be suspended for at least 1 year your vehicle may be forfeited on the second or subsequent DUI.
Note: A 4th drunk driving conviction in the State of Montana is a felony, the convicted driver could receive up to 5 years in jail and a $10,000 fine.
The Implied Consent Law in Montana
If you drive in the State of Montana the implied consent law says all drivers agree to give their consent to submit to a chemical test of their blood, breath or urine if they are suspected of driving under the influence. If you refuse to submit to such a test your drivers license will be suspended for 6 months on the first refusal. Subsequent refusals will result in a 1 year drivers license suspension with the possibility of a court ordered ignition interlock device installation on your vehicle, at your own expense. Additional Information on Drunk Driving Laws, Penalties and Fines in Montana
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