MUTCD 11th Edition (2023)
Section 8B.11 — EXEMPT Grade Crossing Plaques (R15-3P and W10-1aP)
Manual on Uniform Traffic Control Devices, Section 8B.11. Standards, guidance, options and support statements, with figures and cross-references.
Section 8B.11 EXEMPT Grade Crossing Plaques (R15-3P and W10-1aP) Option: 01 Where authorized by law or regulation, an EXEMPT (R15-3P) plaque (see Figure 8B-1) with a white background may be used below the Crossbuck sign or Number of Tracks plaque, if present, at the grade crossing, and an EXEMPT (W10-1aP) plaque (see Figure 8B-4) with a yellow background may be used below the Grade Crossing Advance Warning (W10-1 through W10-4) sign. 02 Where neither the Crossbuck sign nor the advance warning signs exist for a particular highway-LRT grade crossing, an EXEMPT (R15-3P) plaque with a white…
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