331.06 ADDITIONAL RESTRICTIONS ON DRIVING UPON LEFT SIDE OF ROADWAY.
   (a)   No vehicle shall be driven upon the left side of the roadway under the following conditions:
      (1)    When approaching the crest of a grade or upon a curve in the highway, where the operator's view is obstructed within such a distance as to create a hazard in the event traffic might approach from the opposite direction;
      (2)    When the view is obstructed upon approaching within 100 feet of any bridge, viaduct or tunnel;    
      (3)    When approaching within 100 feet of or traversing any intersection or railroad grade crossing.
   (b)   This section does not apply to vehicles upon a one-way roadway, upon a roadway where traffic is lawfully directed to be driven to the left side or under the conditions described in Section 331.01(a)(2).
   (c)   If the offender commits the offense while distracted and the distracting activity is a contributing factor to the commission of the offense, the offender is subject to the additional fine established under Section 303.991 of the Traffic Code.
(ORC 4511.30)