5-5-3: MAXIMUM OPERATING SOUND LEVELS:
It shall be unlawful for any person to operate or cause to be operated a motor vehicle or motorcycle on a public right of way at any time in such a manner that it emits sound which exceeds the level set forth in Table 1 of this Section for the specified speed limit zone, regardless of the actual speed of the motor vehicle or motorcycle.
Table 1. Motor vehicle and motorcycle maximum sound levels measured at fifteen (15) meters fifty feet (50') with a sound level meter.
In the event the distance is less than fifty feet (50'), such listed sound level will be corrected to reflect the equivalent sound levels for the actual distance.
 
Sound Level In dBA
 
Vehicle Class
Speed Limit
35 MPH Or
Less
Speed Limit
Over 35
MPH
Motor carrier vehicle engaged in
interstate commerce of GVWR or
GCWR of 10,000 lbs. or more
86
90
All other motor vehicles of GVWR
or GCWR of 10,000 lbs. or more
86
90
Any motorcycle
82
86
Any other motor vehicle or any combination
of vehicles towed by any motor vehicle
76
82
 
(Ord. 80-8, 6-16-1980, eff. 7-1-1980)