MUTCD 11th Edition (2023)
Section 2D.10 — Route Signs and Auxiliary Plaques
Manual on Uniform Traffic Control Devices, Section 2D.10. Standards, guidance, options and support statements, with figures and cross-references.
Section 2D.10 Route Signs and Auxiliary Plaques Standard: 01 Except as provided in Paragraph 9 of Section 2D.29, all numbered highway routes shall be identified by route signs and auxiliary plaques. 02 The signs for each system of numbered highways, which are distinctive in shape and color, shall be used only on that system and the approaches thereto.Option: 03 Route signs and auxiliary plaques may be proportionally enlarged where greater conspicuity or legibility is needed.Support: 04 Route signs are typically mounted in assemblies with auxiliary plaques. 05 Section 2D.57 contains…
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