MUTCD 11th Edition (2023)
Section 2I.10 — Channel 9 Monitored Sign (D12-3)
Manual on Uniform Traffic Control Devices, Section 2I.10. Standards, guidance, options and support statements, with figures and cross-references.
Section 2I.10 Channel 9 Monitored Sign (D12-3) Option: 01 A Channel 9 Monitored (D12-3) sign (see Figure 2I-8) may be installed as needed. Official public agencies or their designees may be displayed as the monitoring agency on the sign. Standard: 02 Only official public agencies or their designee shall be displayed as the monitoring agency on the Channel 9 Monitored sign.
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