Idaho Motorcycle Helmet Law 2026
Idaho requires riders under 18 to wear a helmet; older riders may be exempt under its partial helmet law.
Idaho requires riders under 18 to wear a helmet; older riders are exempt.
| Rule | Detail |
|---|---|
| Category | Partial (age-based) |
| Who it applies to | Riders under 18 |
| Age threshold | Under 18 |
| Fine range | $0 – $50 |
| Passenger rule | Passengers follow the same rule as the operator |
| Eye protection | optional |
Helmet standard
Helmets must meet FMVSS 218 (DOT) standard Source: https://ghsa.org/state-laws/helmet.
Last verified: 2026-08-04. Helmet laws change — confirm the current rule with your state before riding.
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Frequently Asked Questions
Does Idaho have a universal helmet law?
No. Idaho has a partial helmet law: riders under 18 must wear a helmet, while older riders may be exempt.
Who must wear a helmet in Idaho?
Riders under 18. Riders at or above the age threshold are generally exempt.
What is the fine for not wearing a helmet in Idaho?
The fine range is $0 – $50. Repeat offenses can cost more.
Are passengers required to wear a helmet in Idaho?
Passengers follow the same rule as the operator.
Is eye protection required in Idaho?
Eye protection is optional in Idaho.