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RES 2023-043
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03. March
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2023-03-07 10:00 AM - Commissioners' Agenda
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RES 2023-043
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Last modified
3/15/2023 11:14:43 AM
Creation date
3/15/2023 11:14:17 AM
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Template:
Meeting
Date
3/7/2023
Meeting title
Commissioners' Agenda
Location
Commissioners' Auditorium
Address
205 West 5th Room 109 - Ellensburg
Meeting type
Regular
Meeting document type
Fully Executed Version
Supplemental fields
Item
Request to Approve a Resolution to Adopt the 2023 - 2025 Road Safety Plan for Kittitas County
Order
17
Placement
Consent Agenda
Row ID
100147
Type
Resolution
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Table 3. Scoring criteria and weighted score values used in assessing road safety project priority for 2023. Higher scores <br />indicate a higher priority road segment and/or higher countermeasure needs. <br />Development of Road Segment Safety lmprovements <br />After roadway segments were prioritized using the risk-based scoring as described above, the results were reviewed, <br />and the list was shortened so the plan could focus on the segments that would see the most benefit from safety <br />improvements and eliminated erroneous results or locations reflecting outdated information. <br />Road segments with a score lower than 55 were removed from consideration in an attempt to break segments down <br />into higher priority rating and lower priority rating groups. Road segments that were within the scope of current <br />improvement projects or recently completed improvement projects were also removed. Each accident report was <br />examined for further details regarding the incident to further identify contributing factors, driver actions, alcohol or <br />drug influence, intersection related, and any countermeasures already in place, The list of candidate locations was <br />further reduced by eliminating roadway segments where accidents were alcohol or drug related with no hazard at the <br />site and segments where countermeasures were already in place and or where no countermeasures would have <br />prevented the accident, While these road segments are important to monitor, focus is given to other locations where <br />collisions due to deficiencies in the road structure can be addressed. The remaining roadway segments were then <br />evaluated for potential safety improvements and countermeasures, <br />Huntzinger Road has been identified as a safety need in the 2023 Safety Plan as well as in past safety plans. Crash <br />data shows several areas where road curvature; both vertical and horizontal, steep embankments, and no shoulder <br />9 <br />Scoring Griteria and Weiqhted Scores <br />Item <br />Number Factors and Collision Types Score <br />1 OVERALL CRITERIA MET: <br />Meets minimum criteria and was included in previous localsafety plan 20 <br />Meets minimum criteria but not included in previous local safety plan 10 <br />Does not meet minimum criteria and was included in orevious local safetv olan 5 <br />2 Clear Zone lnventory (Shoulder Width, Side Slopes, Fixed Obiects) <br />90th Percentile of highest scored roads based on clear zone inventory 20 <br />80th Percentile of hiqhest scored roads based on clear zone inventorv 10 <br />70th Percentile of highest scored roads based on clear zone inventory 5 <br />3 Roadway Curvature - Horizontal Gurve <br />Over 50% of the road is in a horizontal curve 20 <br />About 10% to 50% of the road is in a horizontal curve 't0 <br />At least one section of the road is in a horizontal curve 5 <br />4 ONE OR MORE FATAL OR SERIOUS INJURY COLLISION(S) - 2015 THROUGH 2019 <br />Fatality (per personis)50 ea. <br />Serious lniury (per personis)40 ea, <br />5 INJURY (per person/s)'15 ea.
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