MUTCD 11th Edition (2023)
Section 1D.04 — Design of Traffic Control Devices
Manual on Uniform Traffic Control Devices, Section 1D.04. Standards, guidance, options and support statements, with figures and cross-references.
Section 1D.04 Design of Traffic Control Devices Guidance: 01 Devices should be designed so that features such as size, shape, color, composition, lighting or retroreflection, and contrast are combined to draw attention to the devices; so that size, shape, color, and simplicity of message combine to produce a clear meaning; so that legibility and size combine with placement to provide adequate time for response; and so that uniformity, size, legibility, and reasonableness of the message combine to command respect. Option: 02 Except for symbols and colors, minor modifications in the specific…
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