Michigan Compiled Laws, Chapter 257. Motor Vehicles § 257.647

(a) 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.

(b) Approach for a left turn shall be made in that portion of the right half of the roadway nearest the center line in a manner as not to interfere with the progress of any streetcar, and after entering the intersection the left turn shall be made so as to leave the intersection to the right of the center line of the roadway being entered.

(c) Approach for a left turn from a 2-way roadway into a 1-way roadway shall be made in that portion of the right half of the roadway nearest the center line and clear of existing car tracks in use, and by passing to the right of the center line where it enters the intersection. Approach for a left turn from a 1-way roadway into a 2-way roadway shall be made as close as practicable to the left curb or edge of the roadway and by passing to the right of the center line of the roadway being entered.

(d) Where both streets or roadways are 1-way, both the approach for a left turn and a left turn shall be made as close as practicable to the left-hand curb or edge of the roadway.

(e) Local authorities in their respective jurisdictions may cause pavement markers, signs, or signals to be placed within or adjacent to intersections and thereby require and direct that a different course from that specified in this section be traveled by vehicles turning at an intersection. When markers, signs, or signals are so placed, a driver of a vehicle shall not turn a vehicle at an intersection other than as directed and required by those markers, signs, or signals.