Every driver and passenger in the Bay State should understand the Massachusetts seat belt law before hitting the road. Whether you drive through Boston, Worcester, or Cape Cod, knowing these rules can help you avoid a fine and stay safe.
1. The Law Covers Everyone Age 13 and Older
Under MGL Chapter 90, Section 13A, anyone age 13 or older must wear a properly fastened seat belt while riding in a private passenger vehicle, van, or truck under 18,000 pounds.
2. Massachusetts Uses Secondary Enforcement
What This Means for Drivers
Massachusetts is a secondary enforcement state. Police cannot stop you solely for not wearing a seat belt. An officer must first pull you over for another violation, such as speeding, before issuing a seat belt citation.
3. The Standard Fine Is $25
If you are pulled over for another reason and are not buckled up, you will face a $25 fine for failing to wear your seat belt.
4. Drivers Pay for Unbuckled Young Passengers
Ages 12 to 15
Drivers face an additional $25 fine for each unrestrained passenger between ages 12 and 15.
Age 16 and Older
Passengers 16 or older who are not wearing a seat belt are responsible for their own citation and fine.
5. Seat Belt Tickets Will Not Raise Your Insurance
Unlike speeding or other moving violations, a seat belt citation does not go on your driving record and will not affect your Massachusetts auto insurance premiums.
6. Children Under 8 Need a Car Seat, Not Just a Belt
Children younger than 8 years old or shorter than 57 inches must ride in a federally approved child restraint system, such as a rear-facing seat, forward-facing seat, or booster. Once a child outgrows these requirements, the standard seat belt law applies.
7. Not Wearing a Belt Cannot Be Used Against You in Court
Massachusetts prohibits the seat belt defense in personal injury cases. If you are hurt in a crash, the other side cannot argue that your injuries were your fault simply because you were not buckled up.
8. Massachusetts Has Some of the Lowest Belt Use Rates in the Country
Massachusetts ranks near the bottom nationally for seat belt compliance, and more than half of roadway fatalities involve occupants who were not restrained. Lawmakers have repeatedly introduced bills to move the state toward primary enforcement, but as of 2026 the secondary law remains in effect.
Frequently Asked Questions
Can I be pulled over just for not wearing a seat belt in Massachusetts?
No. Massachusetts law only allows officers to issue a seat belt fine if you were stopped for a separate traffic violation.
Does a seat belt ticket affect my driving record?
No. Seat belt citations in Massachusetts do not count as moving violations and do not raise insurance rates.
Are there any exemptions to the seat belt law?
Yes. Certain vehicles and situations are exempt, including some antique cars without factory-installed belts and specific commercial vehicle circumstances. Drivers with a documented medical condition may also qualify for an exemption.
Final Thoughts
Buckling up remains the simplest way to protect yourself and your passengers on Massachusetts roads. Even though the state enforces its seat belt law secondarily, the fines, family safety risks, and potential for serious injury make it worth following every time you get behind the wheel.