§ 74.48  DISPLAY OF WARNING DEVICES ON DISABLED VEHICLES.
   (A)   Whenever any motor truck, bus, commercial tractor, trailer, semitrailer, or pole trailer is disabled on the traveled portion of any highway or the shoulder thereof within the city, or on any freeway, expressway, thruway, and connecting, entering, or exiting ramps within the city, at any time when lighted lamps are required on vehicles, the operator of the vehicle shall display the following warning devices on the highway during the time the vehicle is so disabled on the highway except as provided in division (D) below.
      (1)   A lighted fusee shall be immediately placed on the roadway at the traffic side of the 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.
         (a)   One at a distance of 40 paces or approximately 100 feet in advance of the vehicle.
         (b)   One at a distance of 40 paces or approximately 100 feet to the rear of the vehicle except as provided in this section, each in the center of the lane of traffic occupied by the disabled vehicle.
         (c)   One at the traffic side of the vehicle.
   (B)   Whenever any vehicle used in transporting flammable liquids in bulk, or in transporting compressed flammable gases is disabled on a highway at any time or place mentioned in division (A) above, the driver of the vehicle shall display on the roadway the following warning devices.
      (1)   One red electric lantern or one red reflector shall immediately be placed on the roadway at the traffic side of the vehicle.
      (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)(1)(a) above.
   (C)   When a vehicle of a type specified in division (B) above is disabled, the use of flares, fusees, or any signal produced by flame as warning signals is prohibited.
   (D)   Whenever any vehicle of a type referred to in this section is disabled on the traveled portion of a highway or the shoulder thereof, within the city, on 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 the vehicle shall display two red flags on the roadway in the lane of traffic occupied by the disabled vehicle, one at a distance of 40 paces or approximately 100 feet in advance of the vehicle, and one at a distance of 40 paces or approximately 100 feet to the rear of the vehicle, 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 § 74.47 applicable thereto.
   (F)   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 so as to afford ample warning to other users of the highway, but in no case shall it be placed less than 40 paces or approximately 100 feet nor more than 120 paces or approximately 300 feet from the disabled vehicle.
(‘65 Code, § 71.28)
   (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 R.C. § 4511.09.
   (H)   Whoever violates this section is guilty of a minor misdemeanor.
(R.C. § 4513.28)