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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: June 10,2024 <br /> TOPIC: East Sparks Road Speed Study Results <br /> ACTION REQUESTED: Schedule a Public Hearing receiving the <br /> Engineer's Report on the Request for Speed <br /> Reduction <br /> LEAD STAFF: <br /> Cameron Curtis <br /> RECOMMENDATION: <br /> Direct staff regarding setting a Public Hearing for the Speed Reduction Request on East <br /> Sparks Road. <br /> BRIEFING SUMMARY: <br /> • A resident on East Sparks Road requested a speed reduction on East Sparks Road <br /> from the past"Turtle Town"to the end of the road(MP 0.41 to MP 1.37) on April <br /> 5, 2024 <br /> • The speed study was conducted on May 21, 2024 to May 28, 2024. <br /> • Speed study data collected at MP 0.62 <br /> • Average daily traffic (ADT) of 611 vehicles, with a 29%truck traffic percentage. <br /> • ADT distribution is 53% eastbound and 47%westbound at MP 0.62 <br /> • 85% speed is 36 Miles Per Hour(MPH) at MP 0.62. <br /> • 0 accidents in the past five years within the project study location. <br /> BACKGROUND: <br /> Responding to a request received on April 5, 2024,to reduce the posted speed on Sparks <br /> Road from 35 MPH to 25 MPH, Public Works deployed traffic data collectors May 21, <br /> 2024, and collected through May 28, 2024. The request indicated residents routinely walk <br /> the County Road network in the study area. The request is concerned with traffic related <br /> to recreation vehicles such as ATV's, dirt bikes, and snowmobiles, as well as <br /> construction traffic. <br /> Data collected at mile post 0.62 has and ADT of 611 vehicles, and 29 percent truck traffic <br /> within the average daily traffic distribution of vehicle size. Traffic at this location is split <br /> 52.8 percent eastbound and 47.2 percent westbound. Overall 851h percentile speed at this <br />