ORS 811.305 Driving on left on curve or grade or at intersection or rail crossing; exceptions; penalty

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:

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;

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

At any intersection or railroad grade crossing.

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

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

When a driver makes a lawful left turn.

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.