US lawMassachusettsRegulations540 CMR — Massachusetts Registry of Motor Vehicles540 CMR 27.00 — Regulation of motor vehicle idling on school grounds27.08540 CMR 27.08EnforcementYear: 2026Length: 22 wordsOfficial source The prohibitions of M.G.L. c. 90, § 16B shall be enforced by state or local law enforcement agencies. 540 CMR - 137Previous540 CMR 27.07