MUTCD 11th Edition (2023)
Section 2D.12 — Design of Route Sign Auxiliary Plaques
Manual on Uniform Traffic Control Devices, Section 2D.12. Standards, guidance, options and support statements, with figures and cross-references.
Section 2D.12 Design of Route Sign Auxiliary Plaques Standard: 01 Route sign auxiliary plaques displaying word legends, except the Junction (M2-1P) auxiliary plaque, shall have a minimum standard size of 24 x 12 inches. The Junction auxiliary plaque and those auxiliary plaques displaying arrows shall have a minimum standard size of 21 x 15 inches. All route sign auxiliary plaques shall match the color combination of the route sign that they supplement. Guidance: 02 The background, legend, and border of a route sign auxiliary plaque should have the same colors as those of the route sign with…
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