92 Ill. Adm. Code 547.300
Criteria for Engine Braking Signs
Section 547.300 Criteria for Engine Braking Signs
a) A
municipality or county may furnish, install and maintain engine braking signs
at each end of the section of road or street under its respective jurisdiction
where the prohibition applies and may add such additional engine braking signs
along the prohibited section, as necessary, to effect the prohibition.
b) A
municipality or county may furnish, install and maintain engine braking signs
along roads or streets, other than freeways and interstates, under the
jurisdiction of the Department in accordance with Section 11-303(b) of the
Code.
c) At
the request of a municipality or a county,
the Department
will
furnish
,
install and maintain the signs on interstate highways near weigh stations that
are
within ½ mile
of residential areas or communities
[625 ILCS
5/12-602.1].