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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 23, 2025 <br /> TOPIC: No. 6 Road and Kittitas Hwy Intersection <br /> Update <br /> ACTION REQUESTED: Direction to Staff <br /> LEAD STAFF: <br /> Joshua Fredrickson <br /> RECOMMENDATION: <br /> Direct staff regarding implementation of additional engineered intersection <br /> improvements. <br /> BRIEFING SUMMARY: <br /> • Kittitas Highway and the intersection with No. 6 Road continue to experience <br /> reported crashes. <br /> • Public Works has implemented several mitigation measures at this intersection. <br /> • In October of 2023, LED advanced warning signs were installed on both Kittitas <br /> Hwy and No. 6 Road to warn drivers of the upcoming intersection. <br /> • In April of 2024, Public Works installed stop bars on No. 6 Road to help visually <br /> notice drivers of the stop condition on No. 6 Road. <br /> • In August of 2024, Public Works worked with ad j acent property owners to <br /> remove vegetation to improve the sight lines at the stop condition on No. 6 Road. <br /> • Public Works has investigated the merits and costs of several potential <br /> intersection improvements at the Kittitas Highway and No. 6 Road intersection. <br /> o Transverse Optical Stop Bars <br /> o Rumble Strip Stop Bars <br /> o Illuminated Stop Ahead Signs <br /> o Removal of Obstructions in the ROW <br /> o Alternative Striping Plan <br /> BACKGROUND: <br /> The County installed mitigation measures for safety improvements to the intersection of <br /> Kittitas Highway and No. 6 Road. In October of 2023, LED advanced warning and stop <br /> signs were installed as a part of a County Wide intersection improvement project. In <br /> April of 2024 Public Works installed stop bars at the stop condition on the north and <br /> south side of the intersection near the stop signs. Additionally, to improve the sight lines <br />