MUTCD 11th Edition (2023)
Section 2E.31 — Diamond Interchange
Manual on Uniform Traffic Control Devices, Section 2E.31. Standards, guidance, options and support statements, with figures and cross-references.
Section 2E.31 Diamond Interchange Support: 01 An example of guide signs for a diamond interchange is shown in Fig ure 2E-27. 02 The typical diamond interchange ramp departs from the main roadway such that a speed reduction generally is not necessary in order for a driver to negotiate an exit maneuver from the main roadway onto the ramp roadway. Section 2C.12 contains provisions for the use of an Advisory Exit Speed (W13-2) sign for situations where a speed reduction is necessary. Guidance: 03 When a speed reduction is not necessary, an Advisory Exit Speed sign should not be used. 04 The…
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