MUTCD 11th Edition (2023)
Section 6H.23 — SURVEY CREW Sign (W21-6)
Manual on Uniform Traffic Control Devices, Section 6H.23. Standards, guidance, options and support statements, with figures and cross-references.
Section 6H.23 SURVEY CREW Sign (W21-6) Guidance: 01 The SURVEY CREW (W21-6) sign (see Figure 6H-1 ) should be used to warn of surveying crews working in or adjacent to the roadway.
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