(a) No person shall operate any motor vehicle owned, leased or hired by a nursery school, kindergarten or child care center, while transporting preschool children to or from such an institution, unless the motor vehicle is equipped with and displaying two amber flashing lights mounted on a bar attached to the top of the vehicle, and a sign bearing the designation "caution — children," which shall be attached to the bar carrying the amber flashing lights in such a manner as to be legible to persons both in front of and behind the vehicle. The lights and sign shall meet standards and specifications adopted by the Ohio Director of Public Safety.
(b) No person shall operate a motor vehicle displaying the lights and sign required by this section for any purpose other than the transportation of preschool children as provided in this section.
(ORC 4513.182(A), (B))