MUTCD 11th Edition (2023)
Section 6H.18 — Workers Signs (W21-1 and W21-1a)
Manual on Uniform Traffic Control Devices, Section 6H.18. Standards, guidance, options and support statements, with figures and cross-references.
Section 6H.18 Workers Signs (W21-1 and W21-1a) Option: 01 A Workers (W21-1) sign (see Figure 6H-1) may be used to alert road users of workers in or near the roadway. Guidance: 02 In the absence of other warning devices, a Workers sign should be used when workers are in the roadway.Page 806 MUTCD 11th Edition December 2023 Sect. 6H.18 to 6H.24Option: 03 The WORKERS (W21-1a) word message sign may be used as an alternate to the Workers (W21-1) symbol sign.
The full text is for BuildSpec members
Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.
- Full section text with Standard / Guidance / Option / Support labels
- Figures and tables referenced by this section
- Search across the whole MUTCD and every federal standard
- Ask Copilot about this section, with citations