MUTCD 11th Edition (2023)
Section 4S.01 — General Design and Operation of Flashing Beacons
Manual on Uniform Traffic Control Devices, Section 4S.01. Standards, guidance, options and support statements, with figures and cross-references.
Section 4S.01 General Design and Operation of Flashing Beacons Support: 01 A flashing beacon is a highway traffic signal with one or more signal sections that operates in a flashing mode. It can provide traffic control when used as an intersection control beacon (see Section 4S.02) or it can provide warning when used in other applications (see Sections 4S.03, 4S.04, and 4S.05). Standard: 02 Flashing beacon units, their mountings, signal visors, and backplates shall comply with the provisions of Chapters 4D and 4E, except as otherwise provided in this Chapter. 03 Beacons shall be flashed at a…
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