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Councilmember Cook-Kallio said it seems that generally, businesses were in favor of building the extension so she was curious if there was any way to measure how much retail sales tax and other things that would come into the city as income. City Manager Fialho said there was nothing he knew of that could be used that would have any level of validity associated with it. She asked if there was a margin of error with the traffic models and if so, what it was. Ms. Sterner said traffic counts vary anywhere between 5% to 15% daily, so their validation could vary between 5-15% and depending on where development actually occurs and where congestion actually occurs, it could change the answer to the model. Councilmember Sullivan said we have received a lot of emails about the need to build the Stoneridge extension now to reduce traffic. In looking at Table III which is PM, for example, Valley on Busch—how does this without Stoneridge compare to current volumes on Valley. Mr. Tassano said the existing volume today on Valley and Busch was around 2,800 for the AM and 3,000 for the PM. With Stoneridge Drive, it would be 3,340. Councilmember Sullivan said the study and the results are based on several assumptions, such as build-out of cities and different types of improvements, especially the regional improvements shown on Attachment 2 on page 7 such as the HOV lanes eastbound on I-580 which are going to be started soon, Isabelle at I-580 interchange, and then the whole Isabelle/84 widening through the Pigeon Pass with truck climbing lanes, Dublin Boulevard extension to Livermore, Jack London extension Dublin Boulevard to Livermore, El Charro East Dublin property roadway network and Livermore General Plan roadway networking two lanes on First Street in downtown and the HOV lane north 680 from Milpitas to SR 84. Councilmember Sullivan suggested dividing them into five year increments. In the first 5 years with funding, we could see improvements on eastbound and westbound I-580 and the Isabelle interchange. The next five year increment would be the local improvements both in Dublin and in Livermore. So, he felt we were talking about a transportation or circulation plan of certain things occurring over time to give us the conditions we are looking at in this report, both regional and local improvements. Councilmember Sullivan said we were somewhat reducing this to whether or not Stoneridge was in or out, but it is really part of a much bigger picture and a much bigger circulation and transportation network and plan that is underway. Councilmember Sullivan said he wanted to review Attachment 16, referred to the PM, and said we are focusing a lot on what happens at Stoneridge Drive east of Santa Rita and Valley, east of Santa Rita. Some other things happen when you do this and some other things we have not talked about like this pattern of I-680 northbound increasing, getting off on Stoneridge Drive, winding its way through Hacienda Business Park to Stoneridge Drive east of Santa Rita. There is not a whole lot of cars according to the charts, but it seems like a trend of a parallel route along I-580 that people are using that they are not using now. In addition, cars that used to get on out of Hacienda onto the freeway are now using that same route to get out of town instead of going on the freeway. When you start setting up this pattern, we focused a lot on the Stoneridge Drive neighborhood, the Valley Avenue neighborhood, but now there is the Val Vista neighborhood that has not been a part of this discussion and has not been down here wearing red shirts, but if we start setting up these cut-through routes through the town, those folks may want to have a say in this as well. Mr. Tassano said the increase in traffic they are showing on I-680 was about a 100 vehicle reduction, or about 50 vehicles on Sunol. You can see there is a reduction and it tends to drop off where some of those trips are actually moving into the business park and dropping off and Workshop Minutes 10 April 24, 2007