Ohio Rev. Code Ann. § 4513.28 – Warning devices displayed on disabled vehicles

(A) Whenever any motor truck, trackless trolley, bus, commercial tractor, trailer, semi-trailer, or pole trailer is disabled upon the traveled portion of any highway or the shoulder thereof outside of any municipality, or upon any freeway, expressway, thruway and connecting, entering or exiting ramps within a municipality, at any time when lighted lamps are required on vehicles and trackless trolleys, the operator of such vehicle or trackless trolley shall display the following warning devices upon the highway during the time the vehicle or trackless trolley is so disabled on the highway except as provided in division (B) of this section:
1. (1) A lighted fusee shall be immediately placed on the roadway at the traffic side of such vehicle or trackless trolley, unless red electric lanterns or red reflectors are displayed.
2. (2) Within the burning period of the fusee and as promptly as possible, three lighted flares or pot torches, or three red reflectors or three red electric lanterns shall be placed on the roadway as follows:
  1. (a) One at a distance of forty paces or approximately one hundred feet in advance of the vehicle;
  2. (b) One at a distance of forty paces or approximately one hundred feet to the rear of the vehicle or trackless trolley except as provided in this section, each in the center of the lane of traffic occupied by the disabled vehicle or trackless trolley;
  3. (c) One at the traffic side of the vehicle or trackless trolley.
(B) Whenever any vehicle used in transporting flammable liquids in bulk, or in transporting compressed flammable gases, is disabled upon a highway at any time or place mentioned in division (A) of this section, the driver of such vehicle shall display upon the roadway the following warning devices:
1. (1) One red electric lantern or one red reflector shall be immediately placed on the roadway at the traffic side of the vehicle;
2. (2) Two other red electric lanterns or two other red reflectors shall be placed to the front and rear of the vehicle in the same manner prescribed for flares in division (A) of this section.
(C) When a vehicle of a type specified in division (B) of this section is disabled, the use of flares, fusees, or any signal produced by flame as warning signals is prohibited.
(D) Whenever any vehicle or trackless trolley of a type referred to in this section is disabled upon the traveled portion of a highway or the shoulder thereof, outside of any municipality, or upon any freeway, expressway, thruway and connecting, entering or exiting ramps within a municipality, at any time when the display of fusees, flares, red reflectors, or electric lanterns is not required, the operator of such vehicle or trackless trolley shall display two red flags upon the roadway in the lane of traffic occupied by the disabled vehicle or trackless trolley, one at a distance of forty paces or approximately one hundred feet in advance of the vehicle or trackless trolley, and one at a distance of forty paces or approximately one hundred feet to the rear of the vehicle or trackless trolley, except as provided in this section.
(E) The flares, fusees, lanterns, red reflectors, and flags to be displayed as required in this section shall conform with the requirements of section 4513.27 of the Revised Code applicable thereto.
(F) In the event the vehicle or trackless trolley is disabled near a curve, crest of a hill, or other obstruction of view, the flare, flag, reflector, or lantern in that direction shall be placed as to afford ample warning to other users of the highway, but in no case shall it be placed less than forty paces or approximately one hundred feet nor more than one hundred twenty paces or approximately three hundred feet from the disabled vehicle or trackless trolley.
(G) This section does not apply to the operator of any vehicle in a work area designated by protection equipment devices that are displayed and used in accordance with the manual adopted by the department of transportation under section 4511.09 of the Revised Code.
(H) Whoever violates this section is guilty of a minor misdemeanor.