(a) Whenever any truck, trailer, semitrailer, bus, commercial tractor or pole trailer is disabled upon any freeway, expressway, thruway and connecting, entering or exiting ramps at any time when lighted lights are required on vehicles, the operator of such vehicle shall display the following warning devices upon the street or highway during the time the vehicle is so disabled, except as provided in subsection (b) hereof:
(1) A lighted fusee shall be immediately placed on the roadway at the traffic side of such vehicle unless red electric lanterns or red reflectors are displayed.
(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: One at a distance of forty paces or approximately 100 feet in advance of the vehicle; one at a distance of forty paces or approximately 100 feet to the rear of the vehicle; and one at the traffic side of the vehicle. Except as hereinafter provided, each of the first two mentioned shall be placed in the center of the lane of traffic occupied by the disabled vehicle.
(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 specified in subsection (a) hereof, the driver of such vehicle shall display upon the roadway the following warning devices: One red electric lantern or one red reflector shall be immediately placed on the roadway at the traffic side of the vehicle and 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 in subsection (a) hereof for flares.
When a vehicle of a type specified in this subsection is disabled, the use of flares, fusees or any signal produced by flame as warning signals is prohibited.
(c) The flares, fusees, lanterns and flags to be displayed as required in this section shall conform with the requirements of Section 339.14 applicable thereto.
(d) In the event the vehicle 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 100 feet, nor more than 120 paces or approximately 300 feet from the disabled vehicle.
(ORC 4513.28)
(ORC 4513.28)