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8-12-2024 PW_CDS SS Briefings
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2024-08-12 1:30 PM - Public Works and CDS Study Session
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8-12-2024 PW_CDS SS Briefings
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8/9/2024 12:11:01 AM
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8/8/2024 2:17:25 PM
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Meeting
Date
8/12/2024
Meeting title
Public Works and CDS Study Session
Location
BoCC Auditorium
Address
205 West 5th Room 109 - Ellensburg
Meeting type
Regular
Meeting document type
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• The number of reported crashes in the previous five years for the studied roads are <br /> as follows: <br /> Road Name Reported Crashes <br /> Westside Rd 6 <br /> Mohar Rd 0 <br /> Nelson Siding Rd 1 4 <br /> Bullfrog Rd I 1 <br /> BACKGROUND: <br /> Public Works installed traffic tubes to collect data on Westside Road,Nelson Siding <br /> Road, Mohar Road, and Bullfrog Road (Exhibit 1)to collect traffic data between July 2, <br /> 2024, to July 10, 2024. Speed and volume data for this time period are shown as Exhibits <br /> 2 and 3 comparing measured data to typical data. Typical data is taken from Public <br /> Works regularly collected traffic counts for all county roads representing non-holiday <br /> weekday metrics. The comparison dates for Mohar,Nelson Siding, and Bullfrog come <br /> weekday counts from June of 2022. The comparison date for Westside Rd comes from <br /> weekday counts in September of 2022. <br /> Data was not collected on Upper Peoh Road due to annual chipseal work occurring <br /> around the time period. Equipment installed on Bullfrog Road was disturbed on Sunday, <br /> July 7, limiting the data collection dates from July 2 to July 6. <br /> There have been several [I I] accidents reported on the study roads over the last five <br /> years. Zero were reported over a holiday weekend. <br /> DISCUSSION: <br /> Data collected over the July 4thh holiday weekend is consistent with data collected during <br /> the Fehr and Peers traffic study in 2020. The traffic data collected by Fehr and Peers was <br /> during the Labor Day weekend period. Both speed and volume data collected represent <br /> traffic above average for these sections of road. <br /> Public Works has installed speed feedback radar signs on Westside Road,Nelson Siding, <br /> Upper Peoh Road, and Bullfrog Road as was recommended in the Fehr and Peers report. <br /> The County has been working with SO Alliance to facilitate a feasibility study for <br /> options intended to keep the traveling public on 1-90 and reduce the use of County Roads <br /> as bypass routes for 1-90 congestion. Public Works will continue investigating potential <br /> short-term solutions. <br /> FISCAL IMPACT: <br /> None <br /> ATTACHMENTS: <br /> Exhibit 1: Speed Study Results Map <br /> Exhibit 2: Speed Study 85th Percentile Speed Results <br /> Exhibit 3: Speed Study ADT Results <br />
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