§ 77.09 PEDESTRIANS TO YIELD TO AUTHORIZED EMERGENCY VEHICLES.
   Upon the immediate approach of an authorized emergency vehicle making use of an audible signal and visual signals meeting the requirements of ILCS Ch. 625, Act 5 § 12-215, or of a police vehicle properly and lawfully making use of an audible signal only, every pedestrian shall yield the right-of-way to the authorized emergency vehicle.
(ILCS Ch. 625, Act 5 § 11-1009) Penalty, see § 70.99