605 ILCS 5/4-210
Except where the right of access has been limited by or pursuant to law every owner or occupant of property abutting upon any State highway shall have reasonable means of ingress from and egress to the State highway consistent with the use being made of such property and not inconsistent with public safety or with the proper construction and maintenance of the State highway for purposes of travel, drainage and other appropriate public use. The Department is authorized to adopt and to amend reasonable and necessary rules, regulations and specifications covering standard entrance or exit driveways to serve residential, farm, commercial, industrial, and roadside service establishments and other uses of property abutting upon State highways including specifications for drainage and other structures appurtenant to such driveways. No permit shall be issued by the Department for the construction of any such driveway which does not conform to the applicable standard prescribed by the Department unless the application therefor is accompanied by drawings of and specifications for the proposed construction and a showing of reasonable need for departure from the applicable standard type of driveway prescribed by the Department nor unless it is made to appear that the proposed construction and the use thereof will not be inconsistent with public safety and use nor with the proper construction and maintenance of the highway and its drainage and other facilities.
605 ILCS 5/4-210