610 ILCS 95/3

If two or more persons shall willfully and maliciously combine or conspire together to obstruct or impede by any act, or by means of intimidation, the regular operation and conduct of the business of any railroad company or other corporation, firm or individual in this state, or to impede, hinder or obstruct, except by due process of law, the regular running of any locomotive engine, freight or passenger train on any railroad, or the labor or business of any such corporation, firm or individual, such persons shall be guilty of a Class B misdemeanor.