MUTCD 11th Edition (2023)
Section 6H.26 — Shoulder Signs and Plaque (W8-4, W8-9, W8-17, and W8-17P)
Manual on Uniform Traffic Control Devices, Section 6H.26. Standards, guidance, options and support statements, with figures and cross-references.
Section 6H.26 Shoulder Signs and Plaque (W8-4, W8-9, W8-17, and W8-17P) Option: 01 The SOFT SHOULDER (W8-4) sign (see Figure 6H-1) may be used to warn of a soft shoulder condition. 02 The LOW SHOULDER (W8-9) sign (see Figure 6H-1) may be used to warn of a shoulder condition where there is an elevation difference of 3 inches or less between the shoulder and the travel lane.Guidance: 03 The Shoulder Drop Off (W8-17) sign (see Figure 6H-1 ) should be used when an unprotected shoulder drop-off, adjacent to the travel lane, exceeds 3 inches in depth for a continuous length along the roadway, based…
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