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Ponderosa Homes - Lehman/Selway Property - Environmental Checklist Residential Street Level of Service LOS A B to I car eve C to I car eve D to I car eve E F LOS A B C D E F Residential Collector Street Level of Service Undefined U to I car eve 10 seconds U to 1 car eve 7 seconds U to I car eve 5 seconds U to I car eve 4 seconds Greater than I car eve 4 seconds Threshold Undefined U to 360 vehicles 361 to 514 vehicles er hour 515 to 720 vehicles er hour 721 to 900 vehicles er hour Greater than 900 vehicles er hour For the purposes of the residential street analysis, the project trips would use either Kamp Drive or Mar- tin Avenue, with all traffic using segments of Cameron Avenue. Each roadway was analyzed assuming that 100 percent of the daily volume used the roadway. This conservative approach analyzes the worst- case scenario for each roadway to determine the impact. Normally, the traffic from this development would use both streets. The existing volumes and levels-of-service and the existing plus project vol- umes and leve1s-of-service are summarized in the following table. Existing + Project (Assumes Roadway Existing Conditions 100% of project traffic nses each roadway Residential Dailv Peak LOS Dailv Peak LOS Cameron Avenue 686 73 C 936 97 C Martin Avenue 520 74 C 770 98 C Existing + Project (Assumes Roadway Existing Conditions 100% of project traffic uses each roadway Residential Collector Dailv Peak LOS Dailv I Peak I LOS Kamn Drive 1,664 157 A 1,914 I 181 I A If 100 percent of the project trips were concentrated on anyone of these residential streets or collectors, there would not be any change in the level-of-service. The 24 p.m. peak hour trips represent less than one additional car every two minutes. Cameron Avenue Sidewalk The proposal includes a public sidewalk along the north side of Cameron A venue connecting the Palmer Drive neighborhood to the public sidewalk/trail in the buffer area by Martin Avenue. PUD-50 and PTR-5572 Page 31 of36 June 7. 2006