US lawIllinoisRegulationsTitle 92 — TRANSPORTATIONCHAPTER I: DEPARTMENT OF TRANSPORTATIONSUBCHAPTER f: HIGHWAYSPart 522 — CONTROL OF OUTDOOR ADVERTISING ADJACENT TO PRIMARY AND INTERSTATE HIGHWAYSSubpart D522.17592 Ill. Adm. Code 522.175Standards for Official SignsLast amended: 2006Year: 2026Length: 24 wordsOfficial source Section 522.175 Standards for Official Signs No standards other than those set forth in Section 522.150 of this Part shall apply to official signs.Previous92 Ill. Adm. Code 522.170Next92 Ill. Adm. Code 522.180