Ill. Admin. Code tit. 92, § 441.ILLUSTRATION A
Stop Arm Panels
AUTHORITY: Implementing and authorized by Article VIII of the Illinois Vehicle Equipment Law [625 ILCS 5/Ch. 12, Art. VIII] and the Illinois Vehicle Inspection Law [625 ILCS 5/Ch. 13].DEPARTMENT OF TRANSPORTATION
Octagon Shaped Semaphore (see Section 441.Appendix J(a))
Hexagon Shaped Semaphore (see Section 441.Appendix J(a))
