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Table 2. Crash data for fatal and serious injury collision by jurisdiction and collision type. <br />201'5 through 2019 0rach Data <br />Fatal/Serious lnjury Collieion Types and Conditions <br />Collision Type <br />(Run-off the road) <br />Kitlilas.Cpanly <br />Number I Percentorl of <br />Crashes I Crashes <br />Nl0ptnlies-{,p. <br />L[ainlainsd&oads <br />Number <br />of <br />Crashes <br />Percent <br />of <br />Crashes <br />NlEaUictsoads <br />Ulashinglon-Slalel <br />Number <br />of <br />Crashes <br />Percent <br />of <br />Crashes <br />Hit Fixed Object - Tree/Stump Stationary <br />Hit Fixed Object - Roadway Ditch <br />Hit Fixed Object - Fence <br />Hit Fixed Object - Guardrail <br />Hit Fixed Object - Earth Bank <br />Hit Fixed Object - Utility Pole <br />Hit Fixed Object - Over Embankment <br />Hit Fixed Object - Culved <br />Hit Fixed Object - Crash Cushions <br />Overtum <br />2 <br />1 <br />1 <br />1 <br />1 <br />I <br />1 <br />I <br />1ffi <br />b <br />20.00% <br />10.00% <br />10.00% <br />10.00% <br />10.00% <br />10.00% <br />10.lYo <br />10.0% <br />10.0% <br />25.00/o <br />274 <br />178 <br />B5 <br />t4 <br />132 <br />121 <br />94 <br />22 <br />3 <br />ffi@ <br />246 <br />23.2T0 <br />15.10/o <br />7.200/0 <br />6.30% <br />11.20% <br />10.20T0 <br />8.0% <br />1.9T0 <br />0.3%W <br />9.10/o <br />6'11 <br />369 <br />173 <br />315 <br />288 <br />255 <br />224 <br />43 <br />16@ <br />823 <br />18.5% <br />11.1T0 <br />5.20Y0 <br />9.50% <br />8.70T0 <br />7.70o/o <br />6.8% <br />1.3T0 <br />0.5% <br />6.9% <br />Light Condition - Dark, No Skeet Lights <br />Light Condition - Dusk <br />Light Condition - Dark, Street Lights On <br />Light Condition - Dawn <br />Non-lntersection - Not Related <br />8 <br />1 <br />0 <br />1 <br />,to <br />333% <br />4.20/o <br />0.0% <br />4.20/oH@ <br />79.2Y, <br />755 <br />66 <br />91 <br />259 <br />@@ <br />1,821 <br />27.80/o <br />2,4T0 <br />3.4Y0 <br />9.5% <br />67.1Yo <br />1,896 <br />215 <br />374 <br />2792 <br />6,688 <br />15.5Y0 <br />1.8% <br />3.1Y0 <br />23.3Y0 <br />55.7Y0 <br />Road Curvature - Horizontal Curve 8 33.3%1,022 37.7%2,968 24,7% <br />Over Centerline 2 4.9Y0 176 4.8T0 574 3.7% <br />Motorcycle 2 6.50/o 591 15.40/o 2,391 12.60/o <br />Posted Speed at 50 mph 21 77.Bo/o 872 26.2T0 1,735 10.8% <br />Risk-Based Prioritization Methodology <br />Run-off the road crashes have been identified as the predominant collision type in Kittitas County and are occurring <br />at a disproportionately high rate on specific corridors as compared to other public roads in the state as shown in the <br />crash data provided by WSDOT for 2015-2019, reflected in Table 2. As a result, this plan will focus on roadside <br />safety improvements to reduce the severity and number of accidents on Kittitas County roads where it is most likely <br />that run-off the road crashes will occur. <br />From a safety perspective, the ideal roadway is straight with roadsides that are flat and unobstructed by hazards. <br />Straight roadways eliminate the need for drivers to navigate curves, reducing the chances of running off the road. <br />7