Rules of the Road for Drivers

ORS 811.310
Crossing center line on two-way, four-lane road

  • exceptions
  • penalty


A person commits the offense of crossing the center line on a two-way, four-lane road if the person is operating a vehicle on a two-way roadway that has four or more lanes for moving traffic and the person drives to the left of the center line of the roadway.


A person is not prohibited from driving to the left of the center line of a roadway by this section under the following circumstances:


When authorized by a traffic control device designating certain lanes to the left side of the center of the roadway for use by traffic.


When an obstruction or condition exists making it necessary to drive to the left of the center of the roadway, provided that a driver doing so shall yield the right of way to all vehicles traveling in the proper direction upon the unobstructed portion of the roadway within a distance as to constitute an immediate hazard.


When making a left turn at an intersection, alley or private road or driveway.


The offense described in this section, crossing the center line on a two-way, four-lane road, is a Class B traffic violation. [1983 c.338 §618]

See annotations under ORS 483.306 in permanent edition.

Chapter 811

See also annotations under ORS chapter 483 in permanent edition.

Notes of Decisions

Under Former Similar Statute

A party in violation of a motor vehicle statute is negligent as a matter of law unless he introduces evidence from which the trier of fact could find that he was acting as a reasonably prudent person under the circumstances. Barnum v. Williams, 264 Or 71, 504 P2d 122 (1972)

Law Review Citations

Under Former Similar Statute

10 WLJ 207 (1974)


Last accessed
Jun. 26, 2021