Two-lane, two way road- way passing prohibited  both directions, crossing  centerline permitted only  as part of left turn  maneuver.  RESTRICTED LANE DIVIDED ROADWAYS  UNDIVIDED  ROADWAY SHARED CENTER LANE REVERSIBLE CENTER  LANE Multi-lane, two-way roadway,  with center lane direction  reversible during specified  periods. Signs or signals are  required.  Multi-lane, two-way roadway, with  two-way left turn lane reserved  exclusively for left turning vehicles  in either direction. Special signs  and pavement marking arrows are  utilized. It is not permissible to  use the center left turn lane as a  driving, accelerating, or passing  lane. Multi-lane, two-way  road-way, crossing  centerline permitted  only as part of left turn  maneuver.  Multi-lane, two-way road ways  with preferential lanes assigned  to buses, carpools, etc.  Diamond markings and special  signs are required.  Divided roadways, multi-lane with  divider. Yellow left edge lines are  on all divided or one way  roadways. 