MUTCD 11th Edition (2023)
Section 4K.03 — Walk Indications
Manual on Uniform Traffic Control Devices, Section 4K.03. Standards, guidance, options and support statements, with figures and cross-references.
Section 4K.03 Walk Indications Support: 01 Technology that provides different sounds for each non-concurrent signal phase has frequently been found to provide ambiguous information. Research indicates that a rapid percussive tone for each crossing coming from accessible pedestrian signal devices on separated poles located close to each crosswalk provides unambiguous information to pedestrians with vision disabilities. Vibrotactile indications provide information to pedestrians who are blind and deaf and are also used by pedestrians who are blind or who have low vision to confirm the walk…
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