MUTCD 11th Edition (2023)
Section 4P.02 — Design of Freeway Entrance Ramp Control Signals
Manual on Uniform Traffic Control Devices, Section 4P.02. Standards, guidance, options and support statements, with figures and cross-references.
Section 4P.02 Design of Freeway Entrance Ramp Control Signals Standard: 01 Ramp control signals shall meet all of the standard design specifications for traffic control signals, except as otherwise provided in this Section. 02 The signal face for freeway entrance ramp control signals shall be either a two-section signal face containing red and green signal indications or a three-section signal face containing red, yellow, and green signal indications. Option: 03 Ramp control signals may be placed in the dark mode (no indications displayed) when not in use. 04 Ramp control signals may be used…
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