MUTCD 11th Edition (2023)
Section 6H.06 — ONE LANE ROAD Sign (W20-4)
Manual on Uniform Traffic Control Devices, Section 6H.06. Standards, guidance, options and support statements, with figures and cross-references.
Section 6H.06 ONE LANE ROAD Sign (W20-4) Standard: 01 The ONE LANE ROAD (W20-4) sign (see Figure 6H-1 ) shall be used only in advance of that point where motor vehicle traffic in both directions must use a common single lane (see Section 6E.01).Option: 02 The distance legend may be either XX FEET, XX MILES, or AHEAD.
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