MUTCD 11th Edition (2023)
Section 4F.17 — Yellow Change and Red Clearance Intervals
Manual on Uniform Traffic Control Devices, Section 4F.17. Standards, guidance, options and support statements, with figures and cross-references.
Section 4F.17 Yellow Change and Red Clearance Intervals Support: 01 The exclusive function of the yellow change interval is to warn traffic approaching a signalized location that their permission to proceed is being terminated after which they will be directed to stop, or in the case of a protected/permissive turning movement that their protected movement is being terminated after which they will need to perform their turn in a permissive manner. Standard: 02 A steady yellow signal indication shall be displayed following every CIRCULAR GREEN or GREEN ARROW signal indication and following…
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