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Memorandum to Dennis Trooien, Dennis Propcrties Subject: Traffic Study for Proposed Redcvclopment of Arden Plaza Page 3 of 6 June 29, 2007 redevelopment will not significantly alter the trip gcneration for the site during the a.m. peak hour. During the p.m. peak hour and on a daily basis, the proposed redevelopment will increase the trip generation for the site by about 50 percent. Table 1 Weekday Trip Generation for Arden Plaza A.M, Peak Hour P.M. Peak Hour Daily Scenario In Out Total In Out Total Total Existing uses with full occupancy 157 53 210 203 262 465 4,900 With proposed redevelopment 122 82 204 358 347 705 7.600 Traffic Operations at Drivewav Intersections on Countv Road E and Lexington Avenue (question b) To delennine the extent to which the proposed redevclopment would alter the traffic operations at the two driveway intersections, we completed the following steps: 1) Base traffic cOllnts. As described earlier, we completed existing (20D7) traffic counts at the two driveway intersections during the p.m. peak period on a typical weckday. Our traffic counts were adjusted to account for full occupancy of the existing uses as discussed previously. These adjusted 2007 counts form the basis for our traffic forecasts and analyses for the post-redevelopment condition. 2) Analysis year and backgrollnd grOlvth. Consistent with normal practice, we completed traffic forecasts and analyses for the year after expected full completion of the proposcd redevelopment, which is 2009. To establish valid background traffic volumes on County Road E and Lexington A venue for the analysis, we reviewed historic traffic growth trends on these two roadways. Based on this review, we found that no significant growth in traffic volumes has occurred on these roadways in the last few years. Thus, the 2007 volumes adjusted for full occupancy of the existing uses on the subject site were used dircctly for 2009 base conditions without any adjustments. 3) 2009 post-redevelopmelll forecasts. Traffic volumes due to the existing office buildings were first removed from the 2009 base volumes at the two driveway intersections. Trip generation presented in Table 1 for the proposed redevelopment represents gross trips. Due to the multi-use nature of the subject development, we expect that a portion of the trips generated by the various uses will oecur internal to the site. To account for these internal trips, we reduced the gross trip generation for the proposed new retail uses by five percent to arrive at Het trips. These Het trips due to the proposed three new retail