Section 811.340 - Improperly executed left turn; penalty(1) A person commits the offense of making an improperly executed left turn if the person operates a vehicle and is intending to turn the vehicle to the left and the person does not: (a) Approach the turn in the extreme left-hand lane lawfully available to traffic moving in the direction of travel of the turning vehicle;(b) Make the left turn to the left of the center of the intersection whenever practicable; and(c) Except as otherwise allowed by ORS 811.346, leave the intersection or other location in the extreme left-hand lane lawfully available to traffic moving in the same direction as such vehicle on the roadway being entered.(2) The offense described in this section, improperly executing a left turn, is a Class B traffic violation. 1983 c.338 §624; 1985 c.16 §312; 1995 c.383 §60; 1997 c.468 §3