Boston, MA Environmental Rules: Vehicle Idling Restrictions (2026)
Key Facts
- Governing section
- Boston Code § 7-2.3(C)
- First-offense fine
- $100
- Repeat-offense fine
- $500 each
- Appeal deadline
- 21 days to Parking Clerk
- Enforcing agencies
- Police, Transportation Dept., APCC
Summary
Boston Code § 7-2.3(C) directs police officers, Transportation Department staff and Air Pollution Control Commission officials to enforce the state's diesel and gasoline idling limits, issuing written warnings or violations with fines starting at $100 for a first offense.
It shall be the duty of every Police Officer, every official or employee of the Transportation Department assigned the responsibilities provided in Subsection 6-6.2, and every Official or employee of the Air Pollution Control Commission who takes cognizance of a violation of any provision of M.G.L. Chapter 90, Sections 16A and 16B... to issue a written warning or to issue a written violation and to give the offender a notice to appear before the Parking Clerk... not later than 21 days after the date of the violation... The fine for any violation of the provisions of M.G.L. Chapter 90, Section 16A... shall be $100 for the first offense, and $500 for each succeeding offense.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-2: Current through Ordinance 2025 C. 14, passed 11-5-2025).
Full Breakdown
L. Chapter 90, §§ 16A and 16B (or Registry of Motor Vehicles regulations under § 16B) to issue a written warning or a written violation. A violation carries a notice to appear before the Parking Clerk during regular office hours, not later than 21 days after the violation date. L. Chapter 30A. c. 00 violation (commercial motor vehicles), the same $100 first-offense / $500 succeeding-offense schedule applies. L. Chapter 90, § 20A½. 3(D) requires all on-road vehicles, non-road vehicles and diesel equipment owned, leased or operated by the city to run on ultra-low-sulfur diesel and meet 2007-or-later EPA emissions standards, with exemptions for emergency vehicles, snow-removal equipment, and vehicles used fewer than 100 hours a year. 3(E) extends similar fuel and retrofit-technology requirements to city construction and service contracts exceeding $2,000,000.
Violations & Fines
First offense: $100 fine. Each succeeding offense: $500 fine. Enforcement is by Police Officers, Transportation Department staff, and Air Pollution Control Commission officials, with hearings and appeals handled by the Office of the Parking Clerk under M.G.L. Chapter 30A and Chapter 90, § 20A½.
Frequently Asked Questions
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How much is the fine for illegal idling in Boston?
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Sources & Official References
Other rules in Boston
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