92 Ill. Adm. Code 541.10
Introduction
Section 541
Section 541.10 Introduction
a) This Part has been developed to regulate the use of Tourist
Oriented Directional Signs (TODS) displayed along various State-maintained
non-freeways. It establishes standards, specifications, and financial
responsibility for a TODS program providing motorists with travel related
directional information to facilities of interest to tourism.
b) This program applies to non-freeways within the State of
Illinois that are under the jurisdiction of the Department of Transportation
(the Department) and that are outside of urban areas.