331.23  DRIVER'S VIEW AND CONTROL TO BE UNOBSTRUCTED BY LOAD OR PERSONS.
   (a)   No person shall drive a vehicle when it is so loaded, or when there are in the front seat such number of persons, as to obstruct the view of the driver to the front or sides of the vehicle, or to interfere with the driver's control over the driving mechanism of the vehicle.
   (b)   No passenger in a vehicle shall ride in a position as to interfere with the driver's view ahead or to the sides, or to interfere with the driver's control over the driving mechanism of the vehicle.
   (c)   No person shall open the door of a vehicle on the side available to moving traffic unless and until it is reasonably safe to do so, and can be done without interfering with the movement of other traffic, nor shall any person leave a door open on the side of a vehicle available to moving traffic for a period of time longer than necessary to load or unload passengers.
(ORC 4511.70)
Penalty - see Sections 307.01 and 307.02