625 ILCS 5/11-1011

(a) No pedestrian shall enter or remain upon any bridge or approach thereto beyond the bridge signal, gate, or barrier after a bridge operation signal indication has been given. (b) No pedestrian shall pass through, around, over, or under any crossing gate or barrier at a railroad grade crossing or bridge while such gate or barrier is closed or is being opened or closed. (c) No pedestrian shall enter, remain upon or traverse over a railroad grade crossing or pedestrian walkway crossing a railroad track when an audible bell or clearly visible electric or mechanical signal device is operational giving warning of the presence, approach, passage, or departure of a railroad train or railroad track equipment. (d) A violation of any part of this Section is a petty offense for which a $250 fine shall be imposed for a first violation, and a $500 fine shall be imposed for a second or subsequent violation. The court may impose 25 hours of community service in place of the $250 fine for a first violation. (e) Local authorities shall impose fines as established in subsection (d) for pedestrians who fail to obey signals indicating the presence, approach, passage, or departure of a train or railroad track equipment.