MUTCD 11th Edition (2023)
Section 9B.18 — Two-Stage Bicycle Turn Box Regulatory Signing (R9-23 Series)
Manual on Uniform Traffic Control Devices, Section 9B.18. Standards, guidance, options and support statements, with figures and cross-references.
Section 9B.18 Two-Stage Bicycle Turn Box Regulatory Signing (R9-23 Series) Support: 01 Where two-stage bicycle turn boxes are provided in an intersection, the design of an approach to that intersection will determine whether the use of a two-stage bicycle turn box is required by bicycles to facilitate a turn. 02 Situations in which a two-stage bicycle turn box might be necessary to facilitate turns include, but are not limited to, those in which: A. A separated bicycle facility is provided where upstream access to a lane used to facilitate turns by motor vehicle traffic is physically…
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