605 ILCS 5/9-124.1

It is unlawful for any person to tether or turn loose any stock, cows, horses or other animals on any public highway in this State for the purpose of feeding the same.

Any resident of this State may enter complaint before the circuit court against any person or persons found violating this Section and the court shall issue a warrant for the arrest of such violators and have them brought forthwith before such court for examination. Any such violator shall be guilty of a Class C misdemeanor.