ORS 811.270: Failure to obey one-way designation; penalty.

(1) A person commits the offense of failure to obey a one-way designation if the person is operating a vehicle and the person proceeds upon a roadway designated for one-way traffic in a direction other than that indicated by a traffic control device. (2) The offense described in this section, failure to obey a one-way designation, is a Class B traffic violation. [1983 c.338 §610] (Right of Way)