§ 72.07 PROHIBITION AGAINST 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; or
      (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 R.C. § 4511.25(A)(2) or a substantially equivalent municipal ordinance.
   (C)   Except as otherwise provided in this division, whoever violates this section is guilty of a minor misdemeanor. If, within 1 year of the offense, the offender previously has been convicted of or pleaded guilty to 1 predicate motor vehicle or traffic offense, whoever violates this section is guilty of a misdemeanor of the fourth degree. If, within 1 year of the offense, the offender previously has been convicted of 2 or more predicate motor vehicle or traffic offenses, whoever violates this section is guilty of a misdemeanor of the third degree.
   (D)   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 § 70.99(B).
(R.C. § 4511.30) (1981 Code, § 72.07)