MUTCD 11th Edition (2023)
Section 2D.28 — Directional Arrow Auxiliary Plaques (M6 Series)
Manual on Uniform Traffic Control Devices, Section 2D.28. Standards, guidance, options and support statements, with figures and cross-references.
Section 2D.28 Directional Arrow Auxiliary Plaques (M6 Series) Standard: 01 If used, the Directional Arrow auxiliary plaque (see Figure 2D-6) shall be mounted below the route sign and any other auxiliary plaques in Directional assemblies (see Section 2D.32), and shall display a single-headed or double-headed arrow pointing in the general direction that the route follows. 02 A Directional Arrow auxiliary plaque that displays a double-headed arrow shall not be mounted in any Directional assembly in advance of or at a circular intersection. Option: 03 The diagonal downward-pointing arrow…
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