MUTCD 11th Edition (2023)
Section 4S.03 — Warning Beacon
Manual on Uniform Traffic Control Devices, Section 4S.03. Standards, guidance, options and support statements, with figures and cross-references.
Section 4S.03 Warning Beacon Support: 01 Typical applications of Warning Beacons include the following: A. As supplemental emphasis to signs or object markers on or in front of obstructions that are in or immediately adjacent to the roadway; B. As supplemental emphasis to warning signs; C. As emphasis for midblock crosswalks; D. As supplemental emphasis to regulatory signs, except STOP , DO NOT ENTER, WRONG WAY, and SPEED LIMIT signs; and E. In conjunction with a regulatory or warning sign that includes the phrase WHEN FLASHING in its legend or on a supplemental plaque to indicate that the…
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