MUTCD 11th Edition (2023)
Section 2D.15 — Cardinal Direction Auxiliary Plaques (M3-1P through M3-4P)
Manual on Uniform Traffic Control Devices, Section 2D.15. Standards, guidance, options and support statements, with figures and cross-references.
Section 2D.15 Cardinal Direction Auxiliary Plaques (M3-1P through M3-4P) Guidance: 01 Cardinal Direction auxiliary plaques (see Figure 2D-5 ) displaying the legend NORTH, EAST, SOUTH, or WEST should be used to indicate the general direction of the entire route. Standard: 02 To improve the readability and recognition of the cardinal directions, the first letter of the cardinal direction words shall be ten percent larger, rounded up to the nearest whole number size. 03 If used, the Cardinal Direction auxiliary plaque shall be mounted directly above a route sign or, if used, an auxiliary plaque…
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