NDOT outlines speed-cushion plan for Oakley Drive; neighborhood to vote

Jeff Hammond, a consultant for the Nashville Department of Transportation, presented a speed‑cushion traffic‑calming proposal for Oakley Drive at a neighborhood meeting and said the project will move to a mailed and online ballot if neighbors generally support the plan.

Hammond said NDOT measured speeds and volumes on the project limits — from Trousdale to near Cochrane — and recorded an 85th‑percentile speed of 35 mph, traffic volumes of about 1,200 vehicles per day and a typical roadway width of about 20 feet. "We do focus on residential streets, and we do focus on, or emphasize, physical solutions," Hammond said, adding that NDOT’s prioritization score gives 70 percent weight to vehicle speeds and volume and the remainder to factors such as pedestrian presence and crash history.

The recommended design is a speed‑cushion based project with three sets of cushions spaced along the roughly one‑half mile corridor. Hammond said…