MUTCD 11th Edition (2023)
Section 2D.13 — Junction Auxiliary Plaque (M2-1P)
Manual on Uniform Traffic Control Devices, Section 2D.13. Standards, guidance, options and support statements, with figures and cross-references.
Section 2D.13 Junction Auxiliary Plaque (M2-1P) Standard: 01 The Junction (M2-1P) auxiliary plaque (see Figure 2D-5 ) shall display the abbreviated legend JCT and shall be mounted at the top of an assembly (see Section 2D.30) directly above the route sign, the sign for an alternative route (see Section 2D.17) that is part of the route designation, or the Cardinal Direction auxiliary plaque where access is available only to one direction of the intersected route. The minimum size of the Junction auxiliary plaque shall be 21 x 15 inches for compatibility with auxiliary plaques displaying arrow…
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