BICYCLE LIGHTS LAW REQUIREMENTS IN Illinois
Sec. 11-1507. Lamps and other equipment on bicycles.
(a) Every bicycle when in use at nighttime shall be equipped with a lamp on the front which shall emit a white light visible from a distance of at least 500 feet to the front and with a red reflector on the rear of a type approved by the Department which shall be visible from all distances from 100 feet to 600 feet to the rear when directly in front of lawful lower beams of headlamps on a motor vehicle, except that a lamp emitting a steady or flashing red light visible from a distance of 500 feet to the rear may be used in addition to or instead of the red reflector.