MUTCD 11th Edition (2023)
Section 4C.03 — Warrant 2, Four-Hour Vehicular Volume
Manual on Uniform Traffic Control Devices, Section 4C.03. Standards, guidance, options and support statements, with figures and cross-references.
Section 4C.03 Warrant 2, Four-Hour Vehicular Volume Support: 01 The Four-Hour Vehicular Volume signal warrant conditions are intended to be applied where the volume of intersecting traffic is the principal reason to consider installing a traffic control signal. Guidance: 02 The need for a traffic control signal should be considered if an engineering study finds that, for each of any 4 hours of an average day, the plotted points representing the vehicles per hour on the major street (total of both approaches) and the corresponding vehicles per hour on the more critical minor-street approach…
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