Understanding Baby DUIs: What Underage Drivers Need to Know

At Ryan & Miller, we believe education is one of the most powerful tools for prevention—especially when it comes to protecting young drivers from the serious consequences of a DUI.

If you’re under 21, it’s critical to understand what a "Baby DUI" is, how it differs from a standard DUI, and what the consequences could mean for your future.

What Is a Baby DUI?

A "Baby DUI" refers to a DUI charge for drivers under the legal drinking age of 21. Unlike the standard DUI threshold of 0.08% Blood Alcohol Content (BAC) for adult drivers, underage drivers are held to much stricter standards. 

In many states—including Montana—an underage driver can be charged with a DUI if their BAC is as low as 0.02% , Montana Code Annotated 61-8-1002 (1)(e) . That could mean just one drink—or even less—can put someone under 21 at risk of receiving a baby DUI charge.

Why the Laws Are Stricter for Drivers Under 21

These laws exist to deter underage drinking and driving and to protect all drivers on the road. Underage drivers are statistically more likely to be involved in alcohol-related crashes, even at lower BAC levels.

Zero-tolerance policies make it clear: If you’re under 21, any detectable amount of alcohol could result in legal consequences.

Potential Consequences of a Baby DUI

A Baby DUI is not a minor issue. Legal penalties can include:

  • License suspension
  • Fines and court costs
  • Mandatory alcohol education or treatment programs
  • Community service
  • A permanent criminal record

 

These consequences can affect college admissions, employment opportunities, insurance rates, and more.

What To Do If You’re Charged with a Baby DUI

If you or your child is facing a Baby DUI charge, it's crucial to speak with a legal professional immediately. There may be options to challenge the charge, negotiate lesser penalties, or mitigate the long-term effects on your record.

How Ryan & Miller Can Help

Our team at Ryan & Miller understands the weight of these charges—and we’re here to help. We’ll review your case, explain your options, and provide strong, strategic legal defense to protect your future.

Whether you’re a parent navigating this for your child or a young adult facing the legal system for the first time, we’re here to advocate for you every step of the way.