2011 Wyoming Statutes
31-5-952. Horns and warning devices.

WY Stat § 31-5-952 (1997 through Reg Sess) What's This?

(a) Every motor vehicle when operated upon a highway shall be equipped with a horn in good working order and capable of emitting sound audible under normal conditions from a distance of not less than two hundred (200) feet, but no horn or other warning device shall emit an unreasonably loud or harsh sound or a whistle. The driver of a motor vehicle shall when reasonably necessary to insure safe operation give audible warning with his horn but shall not otherwise use the horn when upon a highway.

(b) No vehicle shall be equipped with nor shall any person use upon a vehicle any siren, whistle or bell, except as otherwise permitted in this section.

(c) Any vehicle may be equipped with a theft alarm signal device which is so arranged that it cannot be used by the driver as an ordinary warning signal. The theft alarm signal device may use a whistle, bell, horn or other audible signal but shall not use a siren.

(d) Every authorized emergency vehicle, except wreckers, shall be equipped with a siren, whistle or bell, capable of emitting sound audible under normal conditions from a distance of not less than five hundred (500) feet and of a type approved by the superintendent, but the siren shall not be used except when the vehicle is operated in response to an emergency call or in the immediate pursuit of an actual or suspected violator of the law, in which case the driver of the vehicle shall sound the siren when reasonably necessary to warn pedestrians and other drivers of the approach thereof.

(e) This section applies to motorcycles, motor-driven cycles, multipurpose vehicles and mopeds.

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