Driving on left on curve or grade or at intersection or rail crossing; exceptions; penalty. (1) A person commits the offense of driving on the left on a curve or grade or at an intersection or rail crossing if the person is operating a vehicle upon any two-way roadway where traffic is permitted to move in both directions simultaneously and the person drives on the left side of the center of the roadway

(a) Upon any part of a grade or upon a curve in the roadway where the driver’s view is obstructed for such a distance as to create a hazard in the event another vehicle might approach from the opposite direction;

(b) When approaching an intersection or railroad grade crossing where the driver’s view is obstructed for such a distance as to create a hazard in the event another vehicle might approach from the opposite direction; or

(c) At any intersection or railroad grade crossing.

(2) This section does not prohibit a person from driving on the left side of the center of a roadway under the following circumstances:

(a) When the right half of the roadway is obstructed or closed to traffic while under construction or repair; or

(b) When a driver makes a lawful left turn.

(3) The offense described in this section, driving on the left on a curve or grade or at an intersection or rail crossing, is a Class B traffic violation. [1983 c.338 §617]