Ann Arbor, MI Noise Ordinances: Vehicle Noise (2026)

A person shall not operate a motor vehicle on a highway or street if the motor vehicle produces total noise exceeding 1 of the following limits at a distance of 50 feet except as provided in subdivisions (b)(iii) and (c)(iii):

(a) A motor vehicle with a gross weight or gross vehicle weight rating of 8,500 pounds or more, combination vehicle with gross weight or gross vehicle weight ratings of 8,500 pounds or more.

(i) Ninety dB(A) if the maximum lawful speed on the highway or street is greater than 35 miles per hour.

(ii) Eighty-six dB(A) if the maximum lawful speed on the highway or street is not more than 35 miles per hour.

(iii) Eighty-eight dB(A) under stationary run-up test.

(b) A motorcycle or a moped:

(i) Eighty-six dB(A) if the maximum lawful speed on the highway or street is greater than 35 miles per hour.

(ii) Eighty-two dB(A) if the maximum lawful speed on the highway or street is not more than 35 miles per hour.

(iii) Ninety-five dB(A) under stationary run-up test at 75 inches.

(c) A motor vehicle or a combination of vehicles towed by a motor vehicle not covered in subdivision (a) or (b).

(i) Eighty-two dB(A) if the maximum lawful speed on the highway or street is greater than 35 miles per hour.

(ii) Seventy-six dB(A) if the maximum lawful speed on the highway or street is not more than 35 miles per hour.

(iii) Ninety-five dB(A) under stationary run-up test 20 inches from the end of the tailpipe.

(2)