A. Vehicles Weighing Less Than Ten Thousand Pounds: A noise measured or registered as provided in this article from any vehicles weighing less than ten thousand (10,000) pounds in excess of eighty (80) decibels in the A-weighting scale in intensity is excessive and unusually loud and unlawful.
B. Vehicles In Excess Of Ten Thousand Pounds:
1. A noise measured or registered as provided in this article from any vehicle weighing more than ten thousand (10,000) pounds in excess of eighty eight (88) decibels in intensity on the A-weighting scale shall be and is hereby declared to be excessive and unusually loud and unlawful.
2. Between the hours of seven o'clock (7:00) A.M. and seven o'clock (7:00) P.M., the above decibel levels shall apply to all streets within the City.
3. Between the hours of seven o'clock (7:00) P.M. and seven o'clock (7:00) A.M., the above decibel levels shall apply only to designated streets within the City. Traffic on other than designated streets during these hours shall be subject to the decibel level as provided in subsection A of this section.
C. Designated Streets: Designated streets shall be named by the Mayor. In determining what streets shall be designated, the Mayor shall attempt to preserve low decibel noise levels within residential zones and give primary consideration to major arterial streets which allow travel to commercial areas requiring evening access.
D. Air Compression Brakes: The use of air compression brakes ("jake brakes") within City limits is prohibited, unless otherwise posted by the City Traffic Engineer. (Ord. 4517; 1968 Code §§8-46, 8-47, 8-48; Ord. 01-42; Ord. 09-131; Ord. 11-19)