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<br />Marian Meadows Rezone and Subdivision Final Environmental Impact Statement 1-18 <br />Transportation <br />Traffic intersections in the area are expected to experience relatively small increases in delay in 2020; <br />however, all intersections would continue to operate better than the Kittitas County Level of Service <br />(LOS) C standard. <br />Increased traffic can be expected to increase; however, existing collision frequency is substantially below <br />a level of concern. As a result, traffic safety is not expected to be a substantial problem in the future with <br />or without the project. <br />With the substantial increases in traffic volumes, roadways previously shared by motorized and non- <br />motorized travel modes could pose safety concerns. <br />Road maintenance responsibilities would generally be similar to those being practiced today; however, if <br />substantial increases in traffic occur from the development, resurfacing to fill pot holes and dust <br />suppression treatments along Country Drive and Pit Way could become more frequent and costs could <br />increase slightly. <br />Within the existing Easton Village subdivision, traffic volumes on Country Road are projected to increase <br />more than four-fold, with 10 percent of project trips presumed to take that route. If more project trips <br />chose that route, the increase would be greater. The total number of trips is relatively low, but it may <br />increase enough to change perceptions of safety for children playing in the area. Use of local streets as <br />part of the social interaction pattern within the community, including as a play area for children, may <br />change as the result of perceived increases in traffic. <br />Cumulative impacts <br />The cumulative effects of buildout of the proposed PUD, combined with the PUD density in the vicinity, <br />would result in delay increases of up to 144.2 seconds per vehicle. Four intersections would operate <br />worse than the LOS C standard: <br /> I-90 eastbound ramps/Railroad Street – LOS F <br /> I-90 westbound ramps/Railroad Street – LOS D <br /> Sparks Road/Railroad Street – LOS F <br /> Spark Road/Pit Way – LOS E. <br />Mitigation of these impacts can be accomplished with relatively minor changes in designation of all-way <br />stop control or minor reconfiguration of intersections to add left-turn lanes and similar features. <br />Transportation - Aviation <br />Alternative 1 would result in 60 lots located completely or partially in the outer safety zone and 25 lots <br />located completely or partially in the inner turning zone, which would expose those residents to hazards <br />from airport operation.