MUTCD 11th Edition (2023)
Section 4T.02 — Meaning of Lane-Use Control Signal Indications
Manual on Uniform Traffic Control Devices, Section 4T.02. Standards, guidance, options and support statements, with figures and cross-references.
Section 4T.02 Meaning of Lane-Use Control Signal Indications Standard: 01 The meanings of lane-use control signal indications (see Figure 4T-1) shall be as follows: A. A steady DOWNWARD GREEN ARROW signal indication shall mean that the lane which the arrow signal indication is located over is open to vehicle travel in that direction. B. A steady YELLOW X signal indication shall mean that the lane which the Yellow X signal indication is located over is about to be closed to vehicle traffic in that direction and shall be followed by a steady RED X signal indication (either within the same…
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