6-1-6: TURNING:
   A.    Vehicle Turning Left: The driver of a vehicle intending to turn to the left within an intersection or into an alley, private road or driveway shall yield the right of way to any vehicle approaching from the opposite direction which is within the intersection, or so close as to constitute an immediate hazard.
   B.    Limitations On Turning Around:
      1.    The driver of any vehicle shall not turn the vehicle so as to proceed in the opposite direction unless such movement can be made in safety and without interfering with other traffic.
      2.    No vehicle shall be turned so as to proceed in the opposite direction upon any curve, or upon the approach to or near the crest of a grade, where the vehicle cannot be seen by the driver of any other vehicle approaching from either direction within five hundred feet (500'), or where a no passing zone has been established.
   C.    Driving On Highways Laned For Traffic: Whenever any highway has been divided into two (2) or more clearly marked lanes for traffic the following, in addition to all else, shall apply:
      1.    A vehicle shall be driven as nearly as practicable entirely within a single lane and shall not be moved from that lane until the driver has first ascertained that the movement can be made with safety.
      2.    Upon a highway which is divided into three (3) lanes and provides for two-way movement of traffic, a vehicle shall not be driven in the center lane except when overtaking and passing another vehicle traveling in the same direction when the center lane is clear of traffic within a safe distance, or in preparation for making a left turn or where the center lane is at the time allocated exclusively to traffic moving in the same direction that the vehicle is proceeding and the allocation is designated by a traffic control device.
      3.    Traffic control devices may be erected directing specified traffic to use a designated lane, or designate those lanes to be used by traffic moving in a particular direction, regardless of the center of the highway and drivers of vehicles shall obey the directions of every device.
      4.    Traffic control devices may be installed prohibiting the changing of lanes on sections of highways and drivers of vehicles shall obey the directions of every device.
   D.    Required Position And Method Of Turning: The driver of a vehicle intending to turn shall do so as follows:
      1.    Both the approach for a right turn and the right turn shall be made as close as practicable to the right hand curb or edge of the roadway.
      2.    The driver of a vehicle intending to turn left shall approach the turn in the extreme left hand lane lawfully available to traffic moving in the direction of travel of the vehicle. Whenever practicable the left turn shall be made to the left of the center of the intersection and so as to leave the intersection or other location in the extreme left hand lane lawfully available to traffic moving in the same direction on the highway being entered.
      3.    Where a special lane for making left turns by drivers proceeding in opposite directions has been indicated by traffic control devices:
         a.    A left turn shall not be made from any other lane;
         b.    A vehicle shall not be driven in the lane except when preparing for or making a left turn from or into the highway or when preparing for or making a U-turn when otherwise permitted by law. (2009 Code)