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 Oklahoma Statutes (Last Updated: September 18, 2014)
 Title 47. MOTOR VEHICLES

  § 47-11-309. Driving on roadways laned for traffic.  

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  • Whenever any roadway has been divided into two or more clearly marked lanes for traffic, the following requirements in addition to all others consistent herewith shall apply.

    1.  A vehicle shall be driven as nearly as practicable entirely within a single lane.

    2.  A vehicle shall not be moved from the lane until the driver has first ascertained that the movement can be made with safety and then given a signal, not less than the last one hundred (100) feet traveled by the vehicle, of his intention to change lanes.

    3.  Upon a roadway which is divided into three lanes, a vehicle shall not be driven in the center lane except when overtaking and passing another vehicle where the roadway is clearly visible and the center lane is clear of traffic within a safe distance, or in preparation for a left turn or where the center lane is at the time allocated exclusively to traffic moving in the direction the vehicle is proceeding and is signposted to give notice of the allocation.

    4.  A two-way left-turn lane is a lane near the center of the highway set aside for use by vehicles making left turns in both directions from or into the roadway.  Two-way left-turn lanes shall be designated by distinctive roadway markings consisting of parallel double yellow lines, interior line dashed and exterior line solid, on each side of the lane.  A vehicle shall not be driven in a designated two-way left-turn lane except when preparing for or making a left turn from or into a roadway.  Vehicles turning left from the roadway shall not be driven in the two-way left-turn lane for more than two hundred (200) feet while preparing for and making the turn.  A vehicle turning left onto the roadway may utilize the two-way left-turn lane as a staging area by stopping and waiting for traffic proceeding in the same direction to clear before merging into the adjacent lanes of travel.  A left turn shall not be made from any other lane where a two-way left-turn lane has been designated.  Provided, however, this section shall not prohibit driving across a two-way left-turn lane when moving from a service drive onto such marked roadway.

    5.  Upon a roadway which is divided into four or more lanes, a vehicle shall not impede the normal flow of traffic by driving in the left lane; provided, however, this paragraph shall not prohibit driving in a lane other than the right-hand lane when traffic conditions or flow, or both, or road configuration, such as the potential of merging traffic, require the use of lanes other than the right-hand lane to maintain safe traffic conditions.

    6. Official signs may be erected directing slow-moving traffic to use a designated lane or designating those lanes to be used by traffic moving in a particular direction regardless of the center of the roadway and drivers of vehicles shall obey the directions of every such sign.

    Any person convicted of violating any provision of this section shall be punished as provided for in Section 17-101 of this title.

Added by Laws 1961, p. 377, § 11-309, eff. Sept. 1, 1961.  Amended by Laws 1984, c. 47, § 1, eff. Nov. 1, 1984; Laws 2002, c. 397, § 22, eff. Nov. 1, 2002; Laws 2005, c. 394, § 11, emerg. eff. June 6, 2005; Laws 2006, c. 104, § 4, eff. Nov. 1, 2006; Laws 2009, c. 125, § 1, eff. Nov. 1, 2009; Laws 2010, c. 76, § 1, eff. Nov. 1, 2010.