(605 ILCS 5/7-202.5) (from Ch. 121, par. 7-202.5)
    Sec. 7-202.5. The construction or maintenance, or both, on municipal streets on which such construction is authorized by law, of:
    (a) Official traffic control signals, or
    (b) Permanently mounted school crossing signals meeting the warrants and conforming to the specifications contained in the Manual authorized by Section 11-301 of The Illinois Vehicle Code.
(Source: P.A. 76-2257.)