MUTCD 11th Edition (2023)
Section 2C.59 — Advisory Speed Plaque (W13-1P) and Confirmation Advisory Speed Plaque (W13-1aP)
Manual on Uniform Traffic Control Devices, Section 2C.59. Standards, guidance, options and support statements, with figures and cross-references.
Section 2C.59 Advisory Speed Plaque (W13-1P) and Confirmation Advisory Speed Plaque (W13-1aP) Option: 01 The Advisory Speed (W13-1P) plaque (see Figure 2C-1 ) may be used to supplement an advance warning sign to indicate the advisory speed for a condition. 02 The Confirmation Advisory Speed (W13-1aP) plaque (see Figure 2C-1 ) may be used to supplement a One- Direction Large Arrow (W1-6) sign on the outside of a turn or curve in line with and at approximately a right angle to approaching traffic. Standard: 03 The use of the Advisory Speed and Confirmation Advisory Speed plaques for horizontal…
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