§ 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 § 75.18, 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