Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4511.031

(1) “Highway maintenance vehicle” means a vehicle used in snow and ice removal, including a snow plow, when it is owned by a political subdivision and operated by an employee of that political subdivision.

(2) “Peace officer” has the same meaning as in divisions (A)(1), (12), (14), and (19) of section 109.71 of the Revised Code.

(3) “Portable signal preemption device” means a device that, if activated by a person, is capable of changing a highway traffic signal to green out of sequence.

(4) “Public safety vehicle” has the same meaning as in divisions (E)(1), (3), and (4) of section 4511.01 of the Revised Code.

(1) No person shall possess a portable signal preemption device.

(2) No person shall use a portable signal preemption device to affect the operation of the highway traffic signal.

(1) A peace officer;

(2) A state highway patrol trooper;

(3) A person while occupying a public safety vehicle;

(4) The authorized employee operator of a highway maintenance vehicle.

(1) When a person listed in divisions (C)(1) to (3) of this section is responding to an emergency call;

(2) When a person listed in division (C)(4) of this section is responding to an emergency level two or level three weather event.