MUTCD 11th Edition (2023)
Section 2H.04 — Traffic Signal Speed Sign (I1-1)
Manual on Uniform Traffic Control Devices, Section 2H.04. Standards, guidance, options and support statements, with figures and cross-references.
Section 2H.04 Traffic Signal Speed Sign (I1-1) Option: 01 The Traffic Signal Speed (I1-1) sign (see Figure 2H-1) displaying the legend SIGNALS SET FOR XX MPH may be used to indicate a section of street or highway on which the traffic control signals are coordinated into a progressive system timed for a specified speed at all hours during which they are operated in a coordinated mode. 02 If different system progression speeds are set for different times of the day, a changeable message element may be used for the numerals of the Traffic Signal Speed sign. If the system is operated in…
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