(A) No person shall operate a motor vehicle on a public right-of-way at any time in such manner that the sound pressure level emitted by said vehicle exceeds the levels set forth in Table II when measured at the location established by division (B) below. No person shall knowingly create an excessive noise as described in this chapter by operating a motor vehicle without a muffler or a sound-dissipation device on a public right-of-way at any time.
TABLE II
Sound Pressure Level*
[dB(A)]
Speed Limit
35 mph 35 mph
Vehicle Class or Less or More
All motor vehicles with 86 90
a manufacturer's gross
vehicle rating of 10,000
pounds or more, and any
combination of vehicles
towed by such motor
vehicle
vehicle rating of 10,000
pounds or more, and any
combination of vehicles
towed by such motor
vehicle
Any motorcycle 82 86
Any other motor vehicle 76 82
and any combination of
vehicles towed by such
motor vehicle
vehicles towed by such
motor vehicle
* Note: Levels must be the same as the Federal Environmental Protection Agency.
(B) For the purpose of division (A), the standard measurement height shall be four feet (1.2 meters) and the standard horizontal measurement distance from the center line of the traffic lane being monitored shall be 50 feet (15 meters). Whenever it is not feasible to use 50 feet, the distance may be shortened to 25 feet (7.5 meters), in which case the values in Table II of division (A) above shall be increased by 6 dB(A).
('74 Code, § 89-17)
(C) No person shall operate a power-propelled vehicle or recreational device off a public right-of-way in such a manner that the sound pressure level emitted therefrom exceeds the limits set forth in Table III when measured at a distance of 50 feet. This section shall apply to all motorized vehicles and recreational devices, whether publicly or privately owned or whether or not duly registered or licensed.
TABLE III
Sound Pressure Level
Vehicle Class [dB(A)]
All motor vehicles 86
('74 Code, § 89-18) (Ord. 259-1985, passed 1-14-85)