MUTCD 11th Edition (2023)
Section 6H.09 — ON RAMP Plaque (W13-4P)
Manual on Uniform Traffic Control Devices, Section 6H.09. Standards, guidance, options and support statements, with figures and cross-references.
Section 6H.09 ON RAMP Plaque (W13-4P) Guidance: 01 When work is being done on a ramp, but the ramp remains open, the ON RAMP (W13-4P) plaque (see Figure 6H -1) should be used to supplement the advance ROAD WORK sign.
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