Both the approach for a right turn and a right turn shall be made as close as practicable to the right-hand curb or edge of the roadway or, where travel on the shoulder or slope has been authorized, from the shoulder or slope.
U-turns shall be made from and to that portion of the highway nearest the marked center line. Where more than one lane of a highway has been designated for left turns, U-turns shall be made only from the lane so designated that is adjacent to the marked center line.