MUTCD 11th Edition (2023)
Section 4E.03 — Positions of Signal Indications within a Signal Face – General
Manual on Uniform Traffic Control Devices, Section 4E.03. Standards, guidance, options and support statements, with figures and cross-references.
Section 4E.03 Positions of Signal Indications within a Signal Face – General Support: 01 Standardization of the number and arrangements of signal sections in vehicular traffic control signal faces enables road users who are color vision deficient to identify the illuminated color by its position relative to other signal sections. Standard: 02 Unless otherwise provided in this Manual for a particular application, each signal face at a signalized location shall have three, four, or five signal sections. Unless otherwise provided in this Manual for a particular application, if a vertical signal…
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