MUTCD 11th Edition (2023)
Section 6L.08 — High-Level Warning Devices (Flag Trees)
Manual on Uniform Traffic Control Devices, Section 6L.08. Standards, guidance, options and support statements, with figures and cross-references.
Section 6L.08 High-Level Warning Devices (Flag Trees) Option: 01 A high-level warning device (flag tree) may supplement other TTC devices in TTC zones. Support: 02 A high-level warning device is designed to be seen over the top of typical passenger cars. A typical high-level warning device is shown in Fi gure 6F-1 . Standard: 03 A high-level warning device shall consist of a minimum of two flags with or without a Type B high- intensity flashing warning light. The distance from the roadway to the bottom of the lens of the light and to the lowest point of the flag material shall be not less…
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