North Dakota Motorcycle Helmet Laws Explained
North Dakota's helmet rule has a genuine twist: a passenger's requirement depends on the operator's age, not just their own.
The base rule: under 18, always
Any motorcycle operator or passenger under 18 must wear a US DOT-approved helmet, full stop.
Once a rider turns 18, that requirement ends — North Dakota has no helmet law covering an adult rider on their own.
The twist: a passenger's age doesn't always matter
If the operator is under 18 and therefore required to wear a helmet, any passenger riding with them must also wear one — regardless of how old that passenger actually is.
That means an adult passenger riding behind a 17-year-old operator still needs a helmet, even though the same adult riding behind an 18-year-old operator wouldn't.
A few genuine exceptions
The helmet requirement doesn't apply to someone riding within an enclosed cab, on a golf cart, or participating in a lawful parade.
Outside those specific situations, the operator's-age-driven rule applies exactly as written.
Frequently Asked Questions
At what age can a North Dakota rider stop being required to wear a helmet?
18 — the requirement applies to an operator or passenger under that age.
Does a passenger's own age ever exempt them if the operator is under 18?
No — if the operator is under 18, every passenger must wear a helmet regardless of the passenger's own age.
Are there any exceptions to North Dakota's helmet rule?
Yes — an enclosed cab, a golf cart, or participating in a lawful parade.
Ready to put this into practice?
Start a free North Dakota motorcycle practice testLast reviewed: 2026-07-24