46.37.660  <<  46.37.670 >>   46.37.671

Signal preemption devicesProhibitedExceptions.

(1) Signal preemption devices shall not be installed or used on or with any vehicle other than an emergency vehicle authorized by the state patrol, a publicly owned law enforcement or emergency vehicle, a department of transportation, city, or county maintenance vehicle, or a public transit vehicle.
(2) This section does not apply to any of the following:
(a) A law enforcement agency and law enforcement personnel in the course of providing law enforcement services;
(b) A fire station or a firefighter in the course of providing fire prevention or fire extinguishing services;
(c) An emergency medical service or ambulance in the course of providing emergency medical transportation or ambulance services;
(d) An operator, passenger, or owner of an authorized emergency vehicle in the course of his or her emergency duties;
(e) Department of transportation, city, or county maintenance personnel while performing maintenance;
(f) Public transit personnel in the performance of their duties. However, public transit personnel operating a signal preemption device shall have second degree priority to law enforcement personnel, firefighters, emergency medical personnel, and other authorized emergency vehicle personnel, when simultaneously approaching the same traffic control signal;
(g) A mail or package delivery service or employee or agent of a mail or package delivery service in the course of shipping or delivering a signal preemption device;
(h) An employee or agent of a signal preemption device manufacturer or retailer in the course of his or her employment in providing, selling, manufacturing, or transporting a signal preemption device to an individual or agency described in this subsection.
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