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MT SB508

Bill

Status

Passed

5/5/2025

Primary Sponsor

Willis Curdy

Click for details

Origin

Senate

2025 Regular Session

AI Summary

  • Drivers under 21 years of age commit DUI if any amount of tetrahydrocannabinol (THC), excluding inactive metabolites, is detected in their blood or other bodily substance
  • Creates a zero-tolerance THC standard for underage drivers, compared to the 5 ng/ml threshold that applies to drivers 21 and older
  • Parallels existing Montana law that sets a lower alcohol threshold for underage drivers (0.02 BAC) versus adult drivers (0.08 BAC)
  • Amends Section 61-8-1002, MCA (Montana's driving under the influence statute)

Legislative Description

Generally revise driving under the influence laws for THC levels in drivers under 21

Transportation

Last Action

Chapter Number Assigned

5/8/2025

Committee Referrals

Judiciary3/17/2025
Highways and Transportation2/26/2025

Full Bill Text

No bill text available
MT SB 508 - Passed | Montana 2025 Bill | Vulcan Bills