IS MY MOD LEGAL?

Underglow in Montana

Vehicle type: Van

Conditional

Montana restricts underglow lighting to non-red, non-blue colors and prohibits their use while driving on public roads.

Get the full breakdown — keep it in your glovebox. $5

Know exactly what the law says. Have proof you checked.

Get Full Report — $5

One-time purchase. Instant download + emailed to you.

Frequently Asked Questions

Are underglow legal in Montana?
Montana restricts underglow lighting to non-red, non-blue colors and prohibits their use while driving on public roads.
What are the underglow limits in Montana?
Montana restricts underglow lighting to non-red, non-blue colors and prohibits their use while driving on public roads. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for underglow in Montana?
Yes, there may be exceptions and exemptions. Get the full details including medical exemptions and edge cases in our compliance report.

Check another modification