605 ILCS 5/4-225
The Department shall establish a pilot program to erect early warning devices on or near bridges or viaducts in this State. Early warning devices may include LiDAR, radar, visual signals, or additional signage. The Department may work with interested stakeholders to identify bridges and viaducts for the erection of early warning devices on roads outside of the Department's jurisdiction. The Department may work with the University of Illinois on the pilot program. The pilot program shall include, but shall not be limited to, evaluating the effectiveness of early warning devices, developing design specifications, and projecting estimated costs. The Department may adopt administrative rules regarding the pilot program. The Department or local authority responsible for maintaining an early warning device may impose a fine on a motorist who damages an early warning device. The fine shall not exceed $1,000.
605 ILCS 5/4-225