§ 71.030 VEHICLE ENTERING HIGHWAY FROM PRIVATE ROAD OR DRIVEWAY.
   The driver of a vehicle about to enter or cross a highway from an alley, building, private road, or driveway shall yield the right-of-way to all vehicles approaching on the highway to be entered.
(ILCS Ch. 625, Act 5, § 11-906) Penalty, see § 70.999