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5 Future Conditions with Project <br />Future conditions were considered assuming initial occupancy in 2007. To determine <br />background traffic volumes, an annual growth rate of 2% was assumed, per Kittitas County. <br />There are no other known significant developments in the area that would impact the local <br />road network. The only road improvement project being planned for this area is a County <br />project scheduled for Nelson Siding Road that will widen the road to 28 feet. No other <br />improvements to Nelson Siding Road or other locations affecting the site accesses were <br />indicated. <br />Figure 5 depicts the projected future PM peak hour turning movement volumes with the <br />project in place at the project access location. A level of service analysis was performed to <br />establish future conditions with the project at this intersection. The results of this analysis are <br />summarized in Table 6. Existing LOS is included for comparative purposes. <br />Nelson Siding Road Intersection Approach LOS D ac) lay LOS Delo) <br />MarionSpringtree Access (Unsignalized) NB A 0.0 A 8.8 <br />The controlled approach to this unsignalized intersection (northbound) is forecasted to <br />operate at LOS -A and 8.8 seconds of delay with the project in place. The level of service <br />standard is LOS -C, so no mitigation would be required due to the level of service. <br />_ MarionSpringtree Developments 10 June 2007 <br />Transportation Impact Analysis <br />0GO092 <br />