MUTCD 11th Edition (2023)
Section 3I.02 — Tubular Markers
Manual on Uniform Traffic Control Devices, Section 3I.02. Standards, guidance, options and support statements, with figures and cross-references.
Section 3I.02 Tubular Markers Standard: 01 Tubular markers for permanent installations shall be a minimum of 28 inches in height and shall be a minimum of 2 inches wide facing road users. Guidance: 02 Tubular markers should be affixed to the pavement or other surface either directly or by means of an attachment system that is affixed to the pavement or other surface. Tubular markers should normally be spaced no greater than N as cited in Section 3B.14. Option: 03 Other spacing may be used based on engineering judgment. Support: 04 Tubular markers are sometimes used to provide additional…
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