§ 72.012 BRIDGE AND RAILROAD SIGNALS.
   (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 the 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)   The city shall impose fines as established in division (D) for pedestrians who fail to obey the signals indicating the presence, approach, passage, or departure of a train or railroad track equipment.
(ILCS Ch. 625, Act 5, § 11-1011) Penalty, see § 70.999