MUTCD 11th Edition (2023)
Section 4O.02 — Design of Traffic Control Signals for One-Lane, Two-Way Facilities
Manual on Uniform Traffic Control Devices, Section 4O.02. Standards, guidance, options and support statements, with figures and cross-references.
Section 4O.02 Design of Traffic Control Signals for One-Lane, Two-Way Facilities Standard: 01 The provisions of Chapters 4D through 4G shall apply to traffic control signals for one-lane, two-way facilities, except that: A. The durations of the red clearance intervals shall be adequate to clear the one-lane section of conflicting vehicles; and B. Adequate means, such as interconnection, shall be provided to prevent conflicting signal indications, such as green and green, at opposite ends of the section.
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