Or. Admin. Code § 734-020-0300
The Department of Transportation is responsible for establishing standards for signal preemption devices and the use of traffic control signal operating devices for use upon the highways within the state. The Department is also responsible for establishing priorities among authorized operators of traffic control signal operating devices. Authorized operators include operators of emergency vehicles, buses and traffic signal maintenance vehicles. These standards consider safety, the efficiency and response times of emergency response operations, requirements for traffic signal maintenance, the efficiency of public transit operations and traffic flow. OAR 734-020-0300 through 734-020-0330 do not apply to rail vehicles.
Or. Admin. Code § 734-020-0300
Stat. Auth.: ORS 184.616, ORS 184.619 & ORS 810.260
Stats. Implemented: ORS 810.260, ORS 815.440 & ORS 815.445