Ill. Admin. Code tit. 92, pt. 441, ILLUSTRATION A - Stop Arm Panels

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Octagon Shaped Semaphore (see Section 441.Appendix J(a))

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Hexagon Shaped Semaphore (see Section 441.Appendix J(a))

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Notes

Ill. Admin. Code tit. 92, pt. 441, ILLUSTRATION A

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