Michael asked: Due to a recent accident our club is reviewing safety on club rides. The club may require ride leaders and sweeps to carry and use whistles. I have doubts as to whether this is legal, having read somewhere that vehicles in the state of Florida may not use whistles.
Although a motor vehicle is required to have a horn, no vehicle may legally have a siren, bell or whistle. A horn would seem to be acceptable on a bicycle, but not required.
s. 316.271 – Horns and Warning Devices
(1) 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 200 feet.
(4) No vehicle shall be equipped with, nor shall any person use upon a vehicle, any siren, whistle, or bell, …..