Massachusetts § 12A - Use of mobile telephone, hands-free mobile telephone or other mobile electronic device by operator of vehicle or vessel used in public transportation prohibited; penalties; affirmative defenses
Full text of Massachusetts Massachusetts General Laws § 12A — Use of mobile telephone, hands-free mobile telephone or other mobile electronic device by operator of vehicle or vessel used in public transportation prohibited; penalties; affirmative defenses, with citation guidance and answers to common questions.
§ 12A. Use of mobile telephone, hands-free mobile telephone or other mobile electronic device by operator of vehicle or vessel used in public transportation prohibited; penalties; affirmative defenses
Section 12A. (a) No operator of a vehicle or vessel used in public transportation, including a train, passenger bus, school bus or other vehicle used to transport pupils, passenger ferry boat, water shuttle or other equipment used in public transportation owned by, or operated under the authority of the Massachusetts Bay Transportation Authority, the Woods Hole, Martha's Vineyard and Nantucket Steamship Authority, Massachusetts Port Authority, or the Massachusetts Department of Transportation, shall use a mobile telephone, hands-free mobile telephone or other mobile electronic device while operating such vehicle or vessel; provided, however that this section shall not apply to the operator of a vehicle or vessel used in public transportation using a mobile telephone, hands-free mobile telephone or mobile electronic device in the performance of the operator's official duties; provided, however, that in order for the use of any such device to be made ''in the performance of the operator's official duties,'' such use must have been made in conformance with applicable written guidelines issued by a public entity listed in this paragraph relative to circumstances when operators are permitted to use said devices in the performance of their official duties or pursuant to directives from federal authorities having regulatory jurisdiction over such public entity's operations.
Whoever violates this section shall be punished by a fine of $500. A violation of this section occurring on a way intended for motor vehicles shall be a surchargeable incident under section 113B of chapter 175 or under a motor vehicle liability policy as defined in section 34A that is issued pursuant to said chapter 175.
(b) It shall be an affirmative defense for an operator under this section to produce evidence that the use of a mobile telephone that is the basis of the alleged violation was in the case of an emergency. For the purpose of this paragraph, an emergency shall mean that the operator needed to communicate with another to report any of the following: (1) that the vehicle or vessel was disabled; (2) that medical attention or assistance was required on the vehicle or vessel; (3) that police intervention, fire department or other emergency services was necessary for the personal safety of a passenger or to otherwise ensure the safety of the passengers; or (4) that a disabled vehicle or an accident was present on a roadway.
Source: official Massachusetts text · Last verified 2026-08-27
Frequently Asked Questions About Massachusetts § 12A
What does Massachusetts General Laws § 12A cover?
Section 12A ("Use of mobile telephone, hands-free mobile telephone or other mobile electronic device by operator of vehicle or vessel used in public transportation prohibited; penalties; affirmative defenses") is part of the Massachusetts General Laws, the codified statutory law of Massachusetts. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Massachusetts § 12A?
A common citation format is "Massachusetts General Laws § 12A" (Massachusetts). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Massachusetts law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Massachusetts official source linked on this page or consult a licensed Massachusetts attorney.
How does Massachusetts § 12A apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Massachusetts can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Massachusetts.