Mich. Comp. Laws § 257.638: Overtaking and passing on left of another vehicle; violation as civil infraction.

Sec. 638.

A vehicle shall not be driven to the left side of the center of a 2-lane highway or in the center lane of a 3-lane highway in overtaking and passing another vehicle proceeding in the same direction unless the left side or center lane is clearly visible and is free of oncoming traffic for a sufficient distance ahead to permit the overtaking and passing to be completely made without interfering with the safe operation of a vehicle approaching from the opposite direction or the vehicle overtaken.

A person who violates this section is responsible for a civil infraction.