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Sheriff recommends lowering Willow Branch Road limit to 30 mph after 10‑day survey; commission advances recommendation

Dickson County Commission · November 4, 2025
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Summary

A sheriff's office 10‑day traffic study of Willow Branch Road found 4,440 vehicles and an 85th‑percentile speed supporting a 30 mph limit; commissioners voted to move the recommendation to the regular agenda.

Sheriff Haines presented results of a 10‑day traffic study of Willow Branch Road and the commission voted to advance the recommended speed change to the regular agenda.

"We did a 10‑day study. There were 4,440 vehicles surveyed," Sheriff Haines said, describing the counts and speed statistics. The study identified approximately 200 vehicles exceeding a referenced threshold; the reported 85th‑percentile speeds were about 27 mph for receiving traffic and about 30 mph for approaching traffic. Based on the study, staff recommended a safe posted speed of 30 mph, down from the current 45 mph.

Commissioner Williams moved to place the sheriff’s recommended speed change on the regular session agenda; Commissioner Simpkins seconded. The commission approved the motion by voice vote. The work session action advances the study recommendation for formal ordinance or administrative action at the next meeting.