Study: 12 Ft. Lanes Are Deadlier Than 10 Ft. Ones — So Why Do Many DOTs Build Them Anyway?

Streetsblog
By Kea WilsonNov 13, 2023, 12:00 am304 pts
10 is plenty — and nine is even better. The lightning-fast 12-foot lanes that run down countless roads in U.S. neighborhoods are associated with a roughly 50-percent higher rate of crashes than nine-foot ones, a new study finds — but many state and national design guidelines are still encouraging engineers…

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