Wisconsin Statutes & Annotations
Chapter 347 - Equipment of vehicles.
347.385 - Auxiliary lamps on emergency vehicles; traffic control signal emergency preemption devices.

347.385 Auxiliary lamps on emergency vehicles; traffic control signal emergency preemption devices.
(1m) In this section:
(a) “Authorized emergency vehicle" means an authorized emergency vehicle as defined in s. 340.01 (3) (a), (c), (g), or (i).
(b) “Emergency preemption device" means a device, located on or within a traffic control signal, that is designed to receive an electronic, radio, light, or sound transmission from an approaching vehicle that alters the normal sequence of the traffic control signal to provide or maintain a green signal for the vehicle to proceed through the intersection.
(c) “Transmitter" means a device that emits a signal for the purpose of activating an emergency preemption device.
(2m) An authorized emergency vehicle may be equipped and operated with lamps designed and used, or with any other transmitter designed and used, to activate emergency preemption devices.
(3m) The lamps authorized for use under this section may be any color and may be flashing, oscillating, rotating or pulsating.
(4) No operator of an authorized emergency vehicle may use a transmitter, including lamps under sub. (2m), except when responding to an emergency call, when pursuing an actual or suspected violator of the law, or when responding to, but not when returning from, a fire alarm.
(5)
(a) No person may operate upon a highway a motor vehicle, other than an authorized emergency vehicle, that is equipped with a transmitter or in which a transmitter is located. This subsection does not apply to a motor carrier or person in the business of selling transmitters to authorized users who transports a transmitter in original, unopened packaging or in an inoperative condition in an enclosed storage compartment of the vehicle.
(b) No person may sell a transmitter except for use for authorized purposes as described in sub. (2m).
History: 2005 a. 193 ss. 1 to 6; Stats. 2005 s. 347.385.

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