Sec. 660b. Two or more individuals operating bicycles upon a highway or street shall not ride more than 2 abreast except upon a path or portion of the highway or street set aside for the use of bicycles.
Operation of bicycle upon highway or street; riding more than 2 abreast.
Mich. Comp. Laws § 257.660b, under MICHIGAN VEHICLE CODE.
Mich. Comp. Laws § 257.660b