220 ILCS 50/13
Where public safety or the preservation of uninterrupted, necessary utility service or community antenna television system service is endangered by any person engaging in excavation or demolition in a negligent or unsafe manner which has resulted in or is likely to result in damage to underground utility facilities or CATS facilities or proposing to use procedures for excavation or demolition which are likely to result in damage to underground utility facilities or CATS facilities, or where the owner or operator of underground utility facilities or CATS facilities endangers an excavator by willfully failing to respond to a locate request, the owner or operator of such facilities or the excavator or the State's Attorney or the Illinois Commerce Commission at the request of the owner or operator of such facilities or the excavator may commence an action in the circuit court for the county in which the excavation or demolition is occurring or is to occur, or in which the person complained of has his principal place of business or resides, for the purpose of having such negligent or unsafe excavation or demolition stopped and prevented or to compel the marking of underground utilities facilities or CATS facilities, either by mandamus or injunction.
220 ILCS 50/13