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UTC recommends narrower lane widths, urges city to align TCM with NACTO guidance
Summary
The Urban Transportation Commission voted unanimously to ask City of Austin staff and Council to adopt narrower lane widths on multi‑lane arterials, aligning guidance with NACTO standards to improve safety and make room for multimodal infrastructure.
The City of Austin Urban Transportation Commission voted unanimously on July 1 to recommend that city transportation policy align more closely with guidance from the National Association of City Transportation Officials (NACTO) by adopting narrower baseline lane widths on arterials and multi‑lane streets.
Vice Chair Schumacher, who moved the recommendation, framed it as a safety and multimodal space issue. "For each additional foot of lane width, the estimated speed on each road goes up 2.9 miles per hour," he told commissioners, citing research discussed in the recommendation.
What the recommendation proposes
- Adopt a recommended general travel lane width of 10 feet with a constrained width of 9 feet for lanes not…
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