IL HB5325

Modifies definition of low-speed gas bicycle to clarify it must operate at speeds less than 20 miles per hour and have a motor of less than one horsepower or 15 cubic centimeter displacement.

Expands definition of pedestrian to include persons riding skateboards, in addition to those afoot or wearing in-line speed skates.

Adds registration sticker display requirements specifying upper right corner of rear registration plates, with separate requirements for truck-tractors on front plates; prohibits affixing unauthorized medallions or objects to registration plates.

Updates vehicle registration plate placement terminology from "front" and "rear" to "frontmost" and "rearmost" throughout the Illinois Vehicle Code.

Clarifies provisions for antique and expanded-use antique vehicles regarding historical license plate displays, street racing/sideshow enforcement, vehicle impoundment procedures, and lighting equipment specifications including HID lamps and auxiliary driving lamp requirements.