US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 902 — SOUND EMISSION STANDARDS AND LIMITATIONS FOR MOTOR VEHICLESSubpart B902.12435 Ill. Adm. Code 902.124Horns and Other Warning DevicesLast amended: 2018Year: 2026Length: 24 wordsOfficial source Section 902 Section 902.124 Horns and Other Warning Devices The use of a horn and other warning device must comply with 625 ILCS 5/12-601.Previous35 Ill. Adm. Code 902.123Next35 Ill. Adm. Code 902.125