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A preferred land use plan and consensus circulation plan was developed for modeling purposes, which do not include Stoneridge Drive. Staff has told the Council and the public that it will model the Stoneridge Drive extension and the remaining land use options as part of the EIR process. Prior to final adoption of the General Plan, Council would consider the environmental impacts of any decision of any land use or circulation decisions. Those decisions may or may not influence the environmental impacts. Staff is suggesting that the analysis be done now rather than waiting until the end of the process. As the work proceeds on the land use and circulation elements, Council will be able to make more informed decisions. Councilmember Sullivan reiterated that what has been done to this point was to create a build out base case and from this point alternatives would be reviewed. The question is whether to do the Stoneridge analysis now or later. He then asked about the assumptions in Attachment 1. He was concerned about some of the regional network assumptions and whether the planned improvements would be constructed. He wanted to know whether the Highway 84 improvements were included in the model. Deputy Director Tassano indicated improvements from I-580 to Pigeon Pass were included in the model but from Pigeon Pass to I-680 were not. He noted that section is still two lanes from the GE plant to I-680. Councilmember Sullivan referred to the Triangle Study being conducted by the CMA (Congestion Management Agency) to review regional improvements for the Tri-Valley area. He asked how that is factored into the Pleasanton model. He felt some of Pleasanton's traffic problems were the result of the regional transportation system breaking down. Deputy Director Tassano indicated the CMA has done a study to determine what improvements are necessary for I-580, I-680 and State Route 84 to relieve congestion. A wide range of solutions have been reviewed and there is now a process for prioritization of improvements. He noted staff has tried to make assumptions based on the worst-case scenario because it takes years to accomplish regional improvements. Councilmember Sullivan asked when decisions will be made from the Triangle Study as far as what improvements will be made and the time of construction. Deputy Director Tassano believed the committee will be finished by this summer and there should be a "road map" for regional improvements in the Tri-Valley. Councilmember Sullivan believed the City Council would be making decisions that will affect the city for a long time and wanted to make certain it had all the information it needed. In three or four months there will be additional information available and he wanted to know how that would be addressed. City Manager Fialho said staff would include the Triangle Study results into the final General Plan. He noted if a model is necessary, it could be done at that time. Councilmember Cook-Kallio expressed appreciation for the comments of Commissioner Blank regarding the accountability for the results of the traffic modeling. However, she also appreciated Commissioner Olson's comments about so many unknowns. She asked if there were alternatives to getting information and questioned whether other City Council Minutes 4 January 30, 2007 Joint Workshop