MUTCD 11th Edition (2023)
Section 3K.01 — Longitudinal Rumble Strip Markings
Manual on Uniform Traffic Control Devices, Section 3K.01. Standards, guidance, options and support statements, with figures and cross-references.
Section 3K.01 Longitudinal Rumble Strip Markings Support: 01 Longitudinal rumble strips consist of a series of rough-textured or slightly raised or depressed road surfaces intended to alert inattentive drivers through vibration and sound that their vehicle has left the travel lane. Shoulder rumble strips are typically installed along the shoulder near the travel lane. On divided highways, rumble strips are sometimes installed on the median side (left-hand side) shoulder as well as on the outside (right-hand side) shoulder. On two-way roadways, rumble strips are sometimes installed along the…
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