DMV

Massachusetts Motorcycle Helmet Laws Explained

Massachusetts requires every motorcycle operator and passenger, of every age, to wear a helmet at all times — and unlike states that recognize only one certification, Massachusetts accepts a helmet meeting either the DOT standard or the Snell Memorial Foundation standard.

What Massachusetts law actually requires

Massachusetts's helmet law is universal — every rider and passenger must wear an approved helmet at all times, with no age-based exemption, unlike states such as Arizona where only riders under 18 are required to.

The helmet must meet one of two recognized standards: DOT or Snell, giving riders more certified options than states that recognize only DOT approval.

Because legislation can be introduced or amended, confirm the current status of Massachusetts's helmet law on the official RMV website before you ride.

Lane splitting is a related, separate rule

Riding between lanes of traffic is prohibited at all times in Massachusetts; a motorcyclist must occupy a full lane like any other vehicle.

This rule is separate from the helmet law but frequently appears alongside it on the written test, since both fall under protective and defensive riding practices.

Why this shows up on the written test

Because Massachusetts recognizes two separate helmet standards rather than just one, test questions often focus on which certifications actually qualify.

The written exam also covers Massachusetts-specific hazards, like frost-heaved and pothole-prone New England roads, alongside the helmet and lane-splitting requirements.

Frequently Asked Questions

Does Massachusetts exempt any riders from the helmet law by age?

No. Massachusetts's helmet law is universal, covering every motorcycle operator and passenger with no age-based exemption.

Does the helmet need to meet one specific standard?

No — Massachusetts accepts a helmet certified to either the DOT standard or the Snell Memorial Foundation standard, rather than requiring one specific certification.

Is lane splitting legal in Massachusetts?

No — riding between lanes of traffic is prohibited at all times in Massachusetts.

Last reviewed: 2026-07-20