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Resolution_Adoption of Safety Plan
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2021-04-20 10:00 AM - Commissioners' Agenda
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Resolution_Adoption of Safety Plan
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4/15/2021 12:49:48 PM
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4/15/2021 12:48:27 PM
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Meeting
Date
4/20/2021
Meeting title
Commissioners' Agenda
Location
Commissioners' Auditorium
Address
205 West 5th Room 109 - Ellensburg
Meeting type
Regular
Meeting document type
Supporting documentation
Supplemental fields
Alpha Order
n
Item
Request to Approve a Resolution to Adopt the 2021-2023 Road Safety Plan for Kittitas County
Order
14
Placement
Consent Agenda
Row ID
75326
Type
Resolution
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Table 3. Scoring criteria and weighted score values used in assessing road safety project priority for 2021. Higher scores <br />indicate a higher priority road segment andlor higher countermeasure needs. <br />Development of Road Segment Safety Improvements <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improvements and eliminated erroneous results or locations reflecting outdated information.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 />9 <br />Scoring Criteria and Weighted Scores <br />MGM <br />Number <br />Factors and Collision Types <br />scone <br />1 <br />OVERALL CRITERIA MET: <br />Meets minimum criteria and was included in previous local safety plan <br />20 <br />Meets minimum criteria but not included in previous local safety plan <br />10 <br />Does not meet minimum criteria and was included in previous local safety plan. <br />5 <br />2 <br />Inadequate clear zone with steep embankment or ditches noguardrail) <br />Over 50% of the side slopes are too steep <br />20 <br />About 10% to 50% of side slopes too steep <br />10 <br />At least one section has side slopes too steep <br />5 <br />3 <br />Fixed objects in clear zone fences, utility poles, trees, mailboxes, etc, <br />Over 50% of the road has fixed objects in clear zone <br />20 <br />About 10% to 50% of the road has fixed objects in clear zone <br />10 <br />At least one section of the road has fixed objects in clear zone <br />5 <br />4 <br />Roadway Curvature — Horizontal Curve <br />Over 50% of the road is in a horizontal curve <br />20 <br />About 10% to 50% of the road is in a horizontal curve <br />10 <br />At least one section of the road is in a horizontal curve <br />3- <br />5 <br />ONE OR MORE FATAL OR SERIOUS INJURY COLLISION(S) — 2015 THROUGH 2019 <br />Fatality (per erson1s <br />50 ea. <br />Serious Injury (per rson1s <br />40 ea. <br />6 <br />INJURY(perperson/9) <br />15 ea. <br />Development of Road Segment Safety Improvements <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 />9 <br />
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