MUTCD 11th Edition (2023)
Section 2H.10 — Grade-Separated Roadway Identification Signs (I2-3 and I2-3a)
Manual on Uniform Traffic Control Devices, Section 2H.10. Standards, guidance, options and support statements, with figures and cross-references.
Section 2H.10 Grade-Separated Roadway Identification Signs (I2-3 and I2-3a) Option: 01 The Grade -Separated Roadway Identification (I2-3 and I2-3a) signs (see Figure 2H-4) may be used to identify a grade separation of another highway or other transportation facility such as a railway, bikeway, or pathway. Guidance: 02 Except as provided in Paragraph 4 of this Section, when used to identify an overcrossing structure, the I2-3 sign should be mounted above the travel lanes or shoulder of the highway below. 03 When used to identify an undercrossing structure, the I2-3 or I2-3a sign should be…
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