Mich. Comp. Laws § 462.253

Sec. 253. A person who uses abusive, profane, or indecent language or exhibits violent conduct may be taken into custody by the conductor of the train and removed to a safe and secure place on the train until its arrival at some usual stopping place, where he or she may be put off the train and put into the custody of some proper officer for prosecution if necessary. For this purpose railroad conductors, while in charge of trains, are hereby invested with the powers of sheriffs and peace officers.