US lawIllinoisRegulationsTitle 92 — TRANSPORTATIONCHAPTER III: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER c: RAIL CARRIERSPart 1500 — MINIMUM CLEARANCES APPLICABLE TO TRACKS, STRUCTURES, FIXTURES AND OTHER APPURTENANCES OF RAILROADSSubpart E1500.56092 Ill. Adm. Code 1500.560Semaphore Signals (Repealed)Last amended: 1987Year: 2026Length: 7 wordsOfficial source Section 1500 Section 1500.560 Semaphore Signals (Repealed)Previous92 Ill. Adm. Code 1500.550Next92 Ill. Adm. Code 1500.570