Within 6 months after the date that any such injury was received, any person who is about to commence any civil action against any county engineer or superintendent of highways on account of that injury shall file in the office of that county engineer or superintendent of highways and in the office of the State's Attorney of the county in which the cause of action arose, either by himself, his agent or attorney, a statement in writing signed by him, his agent or attorney, giving the name of the person to whom the cause of action has accrued, the place or location where the injury occurred, the nature of the injury and the name and address of the attending physician, if any.
745 ILCS 15/3