MUTCD 11th Edition (2023)
Section 1D.03 — Engineering Study and Engineering Judgment
Manual on Uniform Traffic Control Devices, Section 1D.03. Standards, guidance, options and support statements, with figures and cross-references.
Section 1D.03 Engineering Study and Engineering Judgment Support: 01 Definitions of professional engineer, engineering study, and engineering judgment are provided in Section 1C.02. 02 The application of engineering study and engineering judgment is a fundamental principle of the use of traffic control devices. It is for this reason that, in most cases, the selection of a particular device is not required by a Standard provision, but is determined by engineering study or engineering judgment. Many Standard provisions in this Manual specifically require, by explicit language in the individual…
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