92 Ill. Adm. Code 1535.604
Hazard Markers
Section 1535
Section 1535.604 Hazard
Markers
Hazard markers, unless otherwise
specifically ordered by this Commission, are to be furnished, installed,
maintained and replaced by and at the expense of the public authority having
the duty of maintaining the signs along the highway upon which such signs are
located and they shall be of the reflectorized type and conform to the MUTCD.