Posted March 13, 2019 | by dude Code of Ordinances Of Union County, Illinois. 24–2‑5 Interference with Signs or Signals t shall be unlawful for any person to deface, injure, move or interfere with any official traffic sign or signal. (See 625 ILCS 5/11–311) Chapter: Article II — General Regulations, Chapter 24 — Motor Vehicle Code [24–1]