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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: July 14, 2025 <br />TOPIC: Bullfrog Road Speed Study <br />ACTION REQUESTED: Direct staff regarding setting a Public Hearing to <br />receive the Engineer's Report on the Request for <br />Speed Reduction on Bullfrog Road. <br />LEAD STAFF: <br />Cameron Curtis <br />RECOMMENDATION: <br />Direct staff regarding setting a Public Hearing for the Speed Reduction Request on <br />Bullfrog Road. <br />BRIEFING SUMMARY: <br />• Kittitas County Staff investigated a change to the speed limit on Bullfrog Road <br />from MP 0.00 to MP 0.72 from 35 MPH to 50 MPH. <br />• Initial Screening Criteria was completed in June of 2025. The project scored 37 <br />points out of a possible 60 point maximum. <br />• Traffic Tubes were deployed on June 18, 2025, and were in place until June 25, <br />2025. <br />BACKGROUND: <br />Responding to a County Staff inquiry into increasing the posted speed on Bullfrog Road <br />from 35 MPH to 50 MPH, Public Works began by completing the initial screening <br />criteria. The inquiry indicated that the speed limit on the road is rarely followed. <br />Conforming to Board direction in July of 2024, Public Works only preceded to collect <br />physical data after confirming the request met the initial screening criteria. On June 18, <br />2025, traffic tubes were deployed, and traffic data was collected at mile post 0.23. An <br />Average Daily Traffic (ADT) of 4,223 vehicles was measured, 20 percent of which was <br />truck traffic. 85t' percentile speed at this location was measured as 50.3 MPH <br />respectively. <br />DISCUSSION: <br />Initial Scoring Criteria is based on six categories scored from 1 to 10. The scoring and a <br />short description of each category can be found on the attached Scoring Criteria Sheet <br />(Exhibit 1). <br />