(625 ILCS 5/11-310)
(from Ch. 95 1/2, par. 11-310)
Display of Unauthorized Signs, Signals or Markings.
(a) No person shall place, maintain or display upon or in view of any
highway any unauthorized sign, signal, marking, or device which purports to be
or is an imitation of or resembles an official traffic-control device or
railroad sign or signal, or which attempts to direct the movement of traffic,
or which hides from view or interferes with the movement of traffic or the
effectiveness of an official traffic-control device or any railroad sign or
(b) No person shall place or maintain nor shall any public authority permit
upon any highway any traffic sign or signal bearing thereon any commercial
(c) Every such prohibited sign, signal or marking is hereby declared to
be a public nuisance and the authority having jurisdiction over the highway
is hereby empowered to remove the same or cause it to be removed without notice.
(d) No person shall sell or offer for sale any traffic control device
to be used on any street or highway in this State which does not conform
to the requirements of this Chapter.
(e) This Section shall not be deemed to prohibit the erection upon private
property adjacent to highways of signs giving useful directional information
and of a type that cannot be mistaken for official signs.
(f) This Section shall not be deemed to prohibit the erection of
Illinois Adopt-A-Highway signs by municipalities, townships, or counties as
provided in the Illinois Adopt-A-Highway Act.
(g) Any person failing to comply with this Section shall be guilty of
a Class A misdemeanor.
(Source: P.A. 87-1118.)