(605 ILCS 5/4-201.12)
(from Ch. 121, par. 4-201.12)
Except as provided in the Illinois Adopt-A-Highway Act,
to place, erect and maintain on highways all traffic control devices and
signs authorized by this Code or by Chapter 11, Article III of the
Illinois Vehicle Code.
To place, erect and maintain on highways signs or surface markings or
both to indicate officially designated bicycle routes. Whenever the
Department is going to permanently remove route markings from a State
highway within a municipality, it shall notify that municipality at least
90 days before such removal.
To acquire right-of-way, plan, locate, relocate, construct,
reconstruct, maintain, alter, improve, vacate and regulate the use of
officially designated bikeways, as defined in Section 2 of the Bikeway Act.
(Source: P.A. 87-1118.)