531.13 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:
 
                Noise Limit in Relation to
 Type of Vehicle           Posted Speed Limit
(1)   Trucks and busses       35 mph or less    Over 35 mph
Any motor vehicle with
a manufacturer's GVW
rating of 10,000 lbs.
    or more          86 dbA      90 dbA
(2)    Passenger cars, light trucks
and busses 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 50 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, unnecessarily race his motor while running idle, or open the muffler on any vehicle, upon the street;
       (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, 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.
         (Ord. 30-1980. Passed 3-10-80.)