(625 ILCS 5/11-901) (from Ch. 95 1/2, par. 11-901)
    Sec. 11-901. Vehicles approaching or entering intersection.
    (a) When 2 vehicles approach or enter an intersection from different roadways at approximately the same time, the driver of the vehicle on the left must yield the right-of-way to the vehicle on the right.
    (b) The right-of-way rule declared in paragraph (a) of this Section is modified at through highways and otherwise as stated in this Chapter.
(Source: P.A. 76-1739.)