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Memorandum to Dennis Trooien, Dennis Properties Subject: Traffic and Parking Study for Proposed Redevelopment of Arden Plaza Page 4 of 15 September 17. 2007 RESPONSES TO TRAFFIC QUESTIONS Changes in Trip Generation due to Proposed Redevelopment (Question a) To determine how the proposed redevelopment would affect the total trip generation for the site during the a.m. peak hour, p.m. peak hour, and on a daily basis, the following approach was used: I) We completed traffic counts at the driveway intersections on County Road E and Lexington Avenue on a typical weekday during the p.m. peak period. Using those traffic counts, we determined the existing total p.m. peak hour trip generation for the site. 2) Since the proposed redevelopment involves removal of the existing office buildings, it is important to divide the total trip generation for the site between retail and office. To determine what portion of the existing trip generation is due to the office and what portion is due to retail, we developed trip generation estimates for the existing uses based on data presented in the Institute of Transportation Engineers' (ITE) Trip Generation, Seventh Edition. Based on the relationship between the estimated office and retail trips, we divided the existing trip generation for the site between retail and office. 3) As described earlier, there presently is some vacant space both in the office and retail buildings. To determine the true change in trip generation for the site due to the proposed redevelopment, it is important to calculate the total trip generation for the site with existing uses fully occupied. Thus, the existing retail and office trips from step 2 were increased by a ratio of total square feet to occupied square feet. The resultant trip generation from this step is the total trip generation for the site with full occupancy of the existing uses. 4) Trip generation for the proposed new retail uses was estimated based on data presented in ITE Trip Generation, Seventh Edition. 5) We removed trips due to the existing office buildings from the total trip generation for the site with full occupancy of existing uses. We then added trip generation for the new retail uses from step 4 to determine total trip generation for the site upon completion of the proposed redevelopment. 6) Trip generation for the a.m. peak hour and on a daily basis was estimated using the p.m. peak hour counts and based on the relationship between p.m. peak hour and a.m. peak hour and daily trip generation as per ITE data. Table I shows a comparison of the trip generation for existing uses with full occupancy and upon completion of the proposed redevelopment. As indicated in Table 1, the proposed