MUTCD 11th Edition (2023)
Section 1C.01 — Definitions of Headings Used in this Manual
Manual on Uniform Traffic Control Devices, Section 1C.01. Standards, guidance, options and support statements, with figures and cross-references.
Section 1C.01 Definitions of Headings Used in this Manual Standard: 01 When used in this Manual, the text headings of Standard, Guidance, Option, and Support shall be defined as follows: A. Standard—a statement of required, mandatory, or specifically prohibitive practice regarding a traffic control device. In limited, location-specific cases, the results of a documented engineering study (see Section 1D.03) might indicate a deviation from one or more requirements of a Standard provision to be appropriate. All Standard statements are labeled, and the text appears in bold type. The verb “shall”…
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