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KITTITAS COUNTY <br /> DEPARTMENT OF PUBLIC WORKS <br /> PUBLIC WORKS—BOARD OF COUNTY COMMISSIONERS <br /> STUDY SESSION STAFF REPORT <br /> STUDY SESSION DATE: August 12,2024 <br /> TOPIC: Upper County Holiday Weekend Speed Study <br /> Results <br /> ACTION REQUESTED: No Action Required <br /> LEAD STAFF: <br /> Josh Fredrickson <br /> RECOMMENDATION: <br /> No Action Required <br /> BRIEFING SUMMARY: <br /> • Public Works deployed traffic tubes on Westside Rd(MP 0.37), Mohar Rd(MP <br /> 0.22),Nelson Siding Rd (MP 0.62), and Bullfrog Rd(MP 0.23). <br /> • Traffic tubes on Bullfrog Road were dislodged or tampered with over the Holiday <br /> Weekend potentially skewing data on Bullfrog Road. <br /> • The speed study was conducted from July 2, 2024 to July 10, 2024. <br /> • Average daily traffic (ADT) was found to be as follows: <br /> Highest <br /> Holiday Week Holiday Daily Typical Week Percent Increase <br /> Road Name ADT Volume ADT (Compared to Highest Daily Volume <br /> Westside Rd 1885 4109 1709 140.43% <br /> Mohar Rd 461 1938 241 704.15% <br /> Nelson Siding Rd 1415 5327 1 783 1 580.33% <br /> Bullfrog Rd* 1 3864 1 6047 1 3687 64.01% <br /> • 85% speed was found to be as follows: <br /> Holiday Week 85th <br /> Percentile Speed Typical Week 85th <br /> Road Name MPH Percentile Speed MPH Posted Speed(MPH) <br /> Westside Rd 46.05 40.45 35 <br /> Mohar Rd 42.25 36.50 35 <br /> Nelson Siding Rd 45.80 41.10 35 <br /> Bullfrog Rd 50.50 51.50 35 <br />