(a) No person shall drive or move or cause or knowingly permit to be driven or moved a motor vehicle or combination of vehicles at any time in a manner as to exceed the following noise limits for the category of motor vehicle shown. Noise shall be measured at a distance of at least 25 feet (7.5 meters) and at a height of at least 4 feet (1.2 meters) above the immediate surrounding surface.
Sound Pressure Level dB(A) | ||
Speed Limit 40 mph or less | Speed Limit over 40 mph | |
Motor vehicles with a manufacturer’s gross vehicle weight rating (GVWR) or gross combination weight rating (GCWR) of 10,000 pounds or more, or any combination of vehicles towed by the motor vehicle | 90 | 94 |
Any other motor vehicle or any combination of vehicles towed by any motor vehicle | 80 | 84 |
(b) This section shall apply to the total noise from a vehicle or combination of vehicles and shall not be construed as limiting or precluding the enforcement of any other provisions of this subchapter relating to motor vehicle mufflers for noise control.
(c) No person shall operate or cause to be operated any motor vehicle within the city unless the exhaust system of the vehicle is:
(1) Free from defects which affect sound reduction;
(2) Equipped with a muffler or other noise dissipative device; and
(3) Not equipped with any cutout, bypass or similar device.
(1972 Code, § 9-7; 1992 Code, § 25.5-7) (Ord. 72-78, passed 7-10-1978; Ord. 85-78, passed 8-21-1978; Ord. 6-10, passed 2-10-2010)
Statutory reference:
Motor vehicle noise, see SDCL 32-15-11