No person shall operate, cause to be operated or permit a public or private motor vehicle or motorcycle on a public right of way at any time in such a manner that the sound level emitted by the motor vehicle or motorcycle exceeds the level set forth in Table 2.
TABLE 2. MOTOR VEHICLE AND MOTORCYCLE SOUND LIMIT
Sound level in dBA | Stationary Run-up | ||||
Vehicle Class | Speed limit 35 MPH or Less (measured at 50 ft.) | Speed limit over 35 MPH (measured at 50 ft.) | Stationary Engine Speed | Microphone Distance From Vehicle | Noise Limit dBA |
Motor carried vehicle of GVWR or GCWR of 10,000 lbs. or more | 86 | 90 | For vehicles with governors, test at maximum governor speed. For vehicles without governors, test at 75% of motor speed at maximum developed horsepower. | 50 feet from center line of vehicle | 88 |
Any motorcycle | 80 | 85 | Test at 75% of motor speed of maximum developed horsepower. | 20 inches from rear side of vehicle. | 101 |
Any other motor vehicle or any combination of vehicles towed by any motor vehicle | 75 | 80 | Test at 3,000 RMP. | 20 inches from end of tailpipe. | 90 |
(Ord. 66-76. Passed 12-6-76.)