610 ILCS 80/3
When any passenger shall be guilty of disorderly conduct, or use any obscene language, to the annoyance and vexation of passengers or employees, or play any games of cards or other games of chance for money or other valuable thing, upon any railroad train or boat , the conductor of the train and captain or master of the boat is authorized to stop the train or boat , at or near any place where an offense has been committed or at an available public station or dock, and remove the passenger from the train or boat using only the force necessary to accomplish the removal, and may command the assistance of the employees of the railroad company or boat , or any of the other passengers willing and able to assist with the removal; but before removing the passenger the conductor or captain or master shall tender to the passenger the total fare the passenger has paid, minus the portion of the total fare attributable to the distance travelled by the passenger prior to being removed from the train or boat . No operating rule, bulletin, directive, or other order of a carrier shall contradict or limit the authority granted in this Section.
610 ILCS 80/3