(a) No person shall operate a motor vehicle, within the speed limits specified herein, under any condition of load, acceleration, or deceleration in such manner as to exceed the following maximum noise limits, based on a distance of not less than fifty feet from the center of the line of travel:
(1) For passenger cars:
A. When operated at a speed of thirty-five miles per hour or less, a maximum noise limit of seventy decibels;
B. When operated at a speed of more than thirty-five miles per hour, a maximum noise limit of seventy-nine decibels.
(2) For motorcycles:
A. When operated at a speed of thirty-five miles per hour or less, a maximum noise limit of eighty-two decibels;
B. When operated at a speed of more than thirty-five miles per hour, a maximum noise limit of eighty-six decibels.
(3) For trucks:
A. When operated at a speed of thirty-five miles per hour or less a maximum noise limit of eighty-eight decibels;
B. When operated at a speed of more than thirty-five miles per hour, a maximum noise limit of ninety decibels.
(b) Maximum noise limits established pursuant to subsection (a) hereof shall be measured on the “A” scale of a standard sound level meter meeting the applicable requirements for a Type 2 sound level meter as defined in American National Standards Institute Standard S1.4- 1983, or the most recent revision thereof. Measurement practices shall be in substantial conformity with standards and recommended practice established by the Society of Automotive Engineers, including SAE Standard J 986 A NOV81, SAE Standard J 366 MAR85, SAE Standard J 331 A, and such other standards and practices as may be approved by the Federal Government.
(c) No person shall operate a motor vehicle not equipped with a factory-installed muffler or equivalent muffler in good working order and in constant operation, such that it emits a loud, cracking, or chattering noise unusual to its normal operation.
(d) No person shall operate a motor vehicle in which the muffler has been removed or rendered inoperative, or with a “modified exhaust system” which emits a loud, cracking or chattering noise unusual to its normal operation.
(e) Whoever violates this section is guilty of a minor misdemeanor.
(Ord. 00-86. Passed 6-26-00.)