Massachusetts § 4A - Driving vehicles in a single lane; motorcycles, riding and passing
Full text of Massachusetts Massachusetts General Laws § 4A — Driving vehicles in a single lane; motorcycles, riding and passing, with citation guidance and answers to common questions.
§ 4A. Driving vehicles in a single lane; motorcycles, riding and passing
Section 4A. When any way has been divided into lanes, the driver of a vehicle shall so drive that the vehicle shall be entirely within a single lane, and he shall not move from the lane in which he is driving until he has first ascertained if such movement can be made with safety. The operators of motorcycles shall not ride abreast of more than one other motorcycle, shall ride single file when passing, and shall not pass any other motor vehicle within the same lane, except another motorcycle.
Source: official Massachusetts text · Last verified 2026-08-27
Frequently Asked Questions About Massachusetts § 4A
What does Massachusetts General Laws § 4A cover?
Section 4A ("Driving vehicles in a single lane; motorcycles, riding and passing") 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 § 4A?
A common citation format is "Massachusetts General Laws § 4A" (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 § 4A 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.