MUTCD 11th Edition (2023)
Section 8D.03 — Automatic Gates
Manual on Uniform Traffic Control Devices, Section 8D.03. Standards, guidance, options and support statements, with figures and cross-references.
Section 8D.03 Automatic Gates Support: 01 An automatic gate is a traffic control device used in conjunction with flashing-light signals. Standard: 02 The automatic gate (see Figure 8D-1 ) shall consist of a drive mechanism and a fully retroreflective red- and-white-striped gate arm with lights. When in the down position, the gate arm shall extend across the approaching lanes of highway traffic. 03 In the normal sequence of operation, unless constant warning time detection or other advanced system requires otherwise, the flashing-light signals and the lights on the gate arm (in its normal…
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