MUTCD 11th Edition (2023)
Section 2D.27 — Lane Designation Auxiliary Plaques (M5-4P , M5-5P , and M5-6P)
Manual on Uniform Traffic Control Devices, Section 2D.27. Standards, guidance, options and support statements, with figures and cross-references.
Section 2D.27 Lane Designation Auxiliary Plaques (M5-4P , M5-5P , and M5-6P) Option: 01 A Lane Designation (M5-4P , M5-5P , or M5-6P) auxiliary plaque (see Figure 2D-6 ) may be mounted directly below the route sign in an Advance Route Turn assembly on multi-lane roadways to allow road users to move into the appropriate lane prior to reaching the intersection or interchange. Standard: 02 If used, the Lane Designation auxiliary plaques shall be used only where the designated lane is a mandatory movement lane and shall be located adjacent to the full-width portion of the mandatory movement lane.…
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