Each type I school bus shall be equipped with an amber 3 bar clearance light on the front of the bus. The light shall be illuminated at all times when the bus is being operated between sunset and sunrise and in conditions of reduced visibility.
625 ILCS 5/12-811
Amber 3 bar clearance light
P.A. 79-63.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.