507.13. Motor vehicles.
   (a)   No person shall operate within the speed limits specified in this section a motor vehicle of a type subject to registration at any time or under any condition of load, acceleration or deceleration in such manner as to exceed the following noise limits for the category of motor vehicle, based on a distance of not less than fifty feet from the center line of travel:
         Type of Vehicle      Noise Limit in relation to Posted Speed Limit
      (1)    Trucks and buses      35 MPH or less   Over 35 MPH
         Any motor vehicle with a manufacturer's GVW rating of 10,000 lbs. or more
         Before January 1, 1976   88 dbA   90 dbA
         After January 1, 1976      86 dbA   90 dbA
      (2)    Passenger cars, light trucks and buses under 10,000 lbs.   76 dbA   82 dbA
      (3)   Motorcycles         82 dbA   86 dbA
      (4)   Noise from snowmobiles, minibikes, go-carts and other off-highway vehicles must not exceed 82 dbA when measured at a distance of not less than fifty feet.
   (b)   No person in charge or control of any vehicle shall:
      (1)   Make, with such vehicle, or any device connected therewith, any excessive noise to annoy the public or unnecessarily race his motor while running idle, or open the muffler on any vehicle, upon the streets of the City.
      (2)   Sound any horn or signal device on any vehicle for any unnecessary and excessive period of time, except as a danger signal.
      (3)   Operate any vehicle in a manner, such as by rapid acceleration, turning, backing or starting and stopping the vehicle, so as to cause unreasonable or excessive noise from the contact of any tire of the vehicle upon the surface where the vehicle is being operated.
(1952 Code § 17-15-113; Ord. 3-75)