Cowlitz County to study safety fixes at Witherby–Rose Valley intersection

Feb 24, 2026

County engineer told commissioners residents reported poor sight lines at the Witherby–Rose Valley intersection; an 85th‑percentile speed of about 45 mph was recorded on a 40 mph road. She asked for permission to investigate activated warning signs and other engineering fixes; the board agreed to proceed.

The full story

Susan Eugenis, county engineer, told the Cowlitz County Board of Commissioners that residents raised safety concerns at the intersection of Witherby and Rose Valley Road and asked the board’s permission to pursue engineering solutions.

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