Mich. Comp. Laws § 257.654: Vehicles forming part of funeral procession; right-of-way; flags; passing through funeral procession with vehicle as civil infraction.

Sec. 654.

A motor vehicle forming part of a funeral procession, when going to a place of burial, shall have the right of way over all other vehicles except fire apparatus, ambulances, and police patrol vehicles at a street or highway intersection within this state if the vehicle in the funeral procession displays a flag which shall be fluorescent orange in color, and upon which shall be printed, stamped, or stained a black cross, the star of David, or the crescent and star. The lead vehicle and the last vehicle in the funeral procession may carry an additional flag. The flags shall not contain a name embossed or printed on the flag, except the word "funeral".

A person passing through a funeral procession of motor vehicles, designated pursuant to subsection (1), with a vehicle of any kind, is responsible for a civil infraction.