Sec. 15. A truck, truck tractor, trailer, semitrailer, or any combination of these, when used on a highway, shall be constructed, equipped, or operated to prevent water or other road surface substances from being thrown from the rear wheels of the vehicle or combination at tangents exceeding 22-1/2 degrees measured from the road surface. If a flap type device is used, it shall not have attached any type of lamp, breakable reflective material, or reflecting buttons nor may the device extend beyond the maximum width of the vehicle or combination.
Mich. Comp. Laws § 480.25
Prevention of water or road surface substances being thrown from rear wheels
Add. 2005, Act 177, Imd
Official source: Michigan Legislature. Reproduced from public-domain Michigan statutes; confirm against the official source for the current text. Not legal advice.