(A) Motor vehicles and motorcycles on public rights-of-way. No person shall operate, or cause to be operated, a public or private motor vehicle or motorcycle on a public or private right-of-way, at any time, in a manner that the sound level emitted by the motor vehicle or motorcycle exceeds the levels set forth in Table 4.
Table 4 | |||
Sound Limits for Motor Vehicles and Motorcycles (Measured at 50 Feet or 15 Meters) | |||
Vehicle Class | Sound Level in dB(A) | ||
Speed Limit 35 mph of less | Speed Limit Over 35 mph | Stationary Run-Up | |
Table 4 | |||
Sound Limits for Motor Vehicles and Motorcycles (Measured at 50 Feet or 15 Meters) | |||
Vehicle Class | Sound Level in dB(A) | ||
Speed Limit 35 mph of less | Speed Limit Over 35 mph | Stationary Run-Up | |
All motor vehicles of GVWR or GCWR of 10,000 lbs. or more | 86 | 90 | 88 |
Any motorcycle | 82 | 86 | 95(*6) |
Any other motor vehicle or any combination of vehicles towed by any motor vehicle | 76 | 82 | 95(*7) |
Notes to table: | |||
*6 Measured at 20 inches from vehicle exhaust outlet(s) | |||
*7 Measured at 75 inches from vehicle exhaust outlet(s) | |||
(B) Adequate mufflers or sound-dissipative devices.
(1) No person shall operate, or cause to be operated, any motor vehicle or motorcycle not equipped with muffler or other sound-dissipative device in good working order and in constant operation.
(2) No person shall remove or render inoperative any muffler or sound-dissipative device on a motor vehicle or motorcycle other than for purposes of maintenance, repair or replacement.
(C) Motor vehicle horns and signaling devices. No person shall sound the horn or other auditory signaling device on or in any motor vehicle, on any public or private right-of-way, public or private space, except as an emergency warning of danger.
(D) Vehicles operation in a fast or slow idle.
(1) No person shall operate, allow or cause to be operated any stationary motor vehicle or motorcycle, except refuse collection vehicles in a fast or slow idle for a period of time in excess of two minutes from any public or private right-of-way, garage, parking area, lot or property.
(2) Stationary motor vehicles or motorcycle operation, which idle or otherwise operate with vehicle movement for time periods in excess of two minutes, the total noise level emitted from the stationary motor vehicle or motorcycle whether from the engine, exhaust, cooling fan, power take-off (PTO) units, PTO driven or otherwise powered auxiliary equipment including, but not limited to, refrigeration units, and cargo loading/unloading devices or mechanisms, shall meet the requirements of Table 1 in § 92.06.
(F) Motorized recreational vehicles operating off a public right-of-way. No person shall operate, or cause to be operated, any recreational motorized vehicle off a public right-of-way in a manner that the sound levels emitted therefrom violate the provisions of this chapter. This section shall apply to all recreational motorized vehicles, whether or not duly licensed and registered; including, but not limited to, commercial or noncommercial racing vehicles, motorcycles, go-carts, amphibious craft, campers, and dune buggies, but not including motor-boats.
(G) Emergency exceptions. The provisions of this section shall not apply to:
(1) The emission of sound for the purpose of alerting persons to the existence of an emergency; or
(2) The emission of sound in the performance of emergency work.
(Prior Code, § VII-5.07)