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RE7.A. - Page 445 Expansion Project#:11637.0 Auyus�v,�v�� Page 30 Table 15 Average Weekday Fuel Transactions Before &After Data Summary Average Weekday Daily Fuel Transactions Location Before Expansion After Expansion %Difference Salem,OR* 1,911 2,223 16.3% Kona,HI* 2,336 2,406 3.0% Orem,UT* 2,239 2,390 6.7% Folsom,CA* 2,370 2,593 9.4% Vancouver,WA* 2,370 2,709 14.3% Waipio,HI** 3,941 4,258 8.0% Average 9.6% *Expanded from 3 to 4 islands(12 to 16 fueling positions) **Expanded from 4 to 5 islands(16 to 20 fueling positions) As shown in Table 15, on average there was some increase in activity at the fuel stations after an expansion occurred. However, the increase found is significantly less than what would be calculated from a direct linear relationship to the number of vehicle fueling positions. Using a linear relationship, expanding the fuel station from 12 to 16 fueling positions would equate to an increase in activity or trip generation of 33% and expanding the fuel station from 16 to 20 fueling positions would equate to an increase of 25%. However,the actual before and after data shows on average only a 9.6%increase in activity following the fuel station expansions. Based on this transaction data, it can be correlated that trip generation to and from the Redwood City site may follow the same trend pattern and increase by approximately 9.6% with the proposed expansion. Table 16 summarizes a trip generation estimate for the project using the approach of applying a percent increase based on the before and after data seen at other expansion locations. Kittelson&Associates,Inc. Boise,Idaho