Michigan § 257.660a - Operation of bicycle upon highway or street; riding close to right-hand curb or edge of roadway; exceptions.

A person operating a bicycle upon a highway or street at less than the existing speed of traffic shall ride as close as practicable to the right-hand curb or edge of the roadway except as follows:

(a) When overtaking and passing another bicycle or any other vehicle proceeding in the same direction.

(b) When preparing to turn left.

(c) When conditions make the right-hand edge of the roadway unsafe or reasonably unusable by bicycles, including, but not limited to, surface hazards, an uneven roadway surface, drain openings, debris, parked or moving vehicles or bicycles, pedestrians, animals, or other obstacles, or if the lane is too narrow to permit a vehicle to safely overtake and pass a bicycle.

(d) When operating a bicycle in a lane in which the traffic is turning right but the individual intends to go straight through the intersection.

(e) When operating a bicycle upon a 1-way highway or street that has 2 or more marked traffic lanes, in which case the individual may ride as near the left-hand curb or edge of that roadway as practicable.

(f) When riding as close as practicable to the right-hand curb or edge of the roadway would block, delay, or otherwise interfere with the movement of a streetcar on a streetcar track.