MUTCD 11th Edition (2023)
Section 4P.03 — Operation of Freeway Entrance Ramp Control Signals
Manual on Uniform Traffic Control Devices, Section 4P.03. Standards, guidance, options and support statements, with figures and cross-references.
Section 4P.03 Operation of Freeway Entrance Ramp Control Signals Guidance: 01 Operational strategies for ramp control signals, such as periods of operation, metering rates and algorithms, and queue management, should be determined by the operating agency prior to the installation of the ramp control signals and should be closely monitored and adjusted as needed thereafter. 02 When the ramp control signals are operated only during certain periods of the day, a RAMP METERED WHEN FLASHING (W3-8) sign (see Section 2C.37) should be installed in advance of the ramp control signal near the entrance…
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