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7.A. - Page 395 those types of intersections, the impact would be considered significant if the existing level of service is a D and goes to a level of E or F. She noted that if the existing level of service is operating at unacceptable — currently an E or F — it is significant if there is an additional five seconds of delay. She showed a table identifying the current and predicted levels of service for each of the three intersections and noted that none of them meet the criteria for a significant impact. Ms. Littlefield stated that Staff recommends the Planning Commission to consider Addendum #2 with the 2007 EIR and approve the Use Permit modification as currently proposed from 12 to 20 pumps. Commissioner Borgens asked what the Middlefield/Woodside intersection's level of service was before this project. Ms. Manzi asked if she meant before Costco was built. Commissioner Borgens asked if the presented numbers are from the last EIR. Ms. Manzi stated they are the existing conditions as of May of this year. Commissioner Borgens what the level of service was in 2007. Ms. Manzi stated she would come back with that information. David Rogers with Costco Wholesale located in Washington, stated that since May his team has been working with Staff and ICF in coming with more information tonight. He noted that there are a number of consultants at the meeting tonight to answer all questions that might come up. He noted that when Costco first submitted for expansion this was the first five-island gas station that they were looking at. Since then two gas stations in Portland have expanded to five islands as well as the flagship Costco across from the home office. Additionally a Costco in Kirkland, WA opened new with five islands. He noted that he didn't have any data yet, but stated that there is a marked difference in queuing time at the flagship Costco across from his office. He stated that previously the queue would back up into the street and now there is no more than two or three cars waiting to get into the five islands, at any time of day. He noted that now Costco is looking at expanding five other locations in the Bay Area as well as one or two in southern California, so this is an across the board expansion for the problem markets. He noted that when his team was here last May he met with neighbors and Caltrans. He stated that unfortunately when he was looking at intersections it was after school had let out, so it was not representative of the issues with the Woodside/Middlefield intersection. He noted that Caltrans said they would do additional observations of the Middlefield/Woodside intersection in October to get him some more accurate numbers but they have not got that to him yet. He stated that his team collected 2300 signatures from Costco members in support of the expansion. Sonia Hennum, transportation engineer with Kittelson and Associates, who work for public and private clients and do quite a bit of work for Costco. She stated that there was a lot of question and discussion during the EIR process in 2006/2007 about how much traffic this gas station in particular would generate. She stated that the estimates from the original development ended up being very accurate. She gave data on how traffic volume and operations on Middlefield have changed since the Costco was built, directly after the gas station opened and follow up studies since then. She stated that studies were done in the trip generations in relation to the number of pumps and noted Page 3 of 21