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III. Environmental Setting,Impacts,and Mitigations D. Transportation and Circulation Future Without Project Conditions The analysis of future conditions without the project(i.e.,future base conditions)reflects projected increases in vehicular traffic resulting from identified projects and background (non-project-specific)traffic growth in the area by the analysis(2005) year. There is one identified project that would add traffic onto study roadways--expansion of the Forward,Inc. Landfill adjacent to the project site. The Forward,Inc. Landfill project would modify landfill operations to,among other things,allow an increase in the daily tonnage to be accepted at the landfill, and permit expansion of the existing transfer station on the site. Analysis of the proposed expansion of the Forward, Inc.Landfill indicates that approximately 820 new daily vehicle trips-ends(vte)would be generated,of which about 234 new vte would occur during the a.m.peak hour(San Joaquin County, 1993). Trucks would account for about 740 of the new daily vte and about 228 of the new a.m.peak-hour vte. The County's Multi-County Traffic Model(using General Plan land use projections)forecasts development patterns in the greater area surrounding the project site to increase traffic volumes on Mariposa Road by less than one percent per year over the next 20 years;traffic increases were not predicted for French Camp Road or Austin Road by the traffic model(San Joaquin County, 19,93). The addition of increased Forward,Inc.Landfill traffic would raise the percentage of trucks on project area roads by about 70 percent(Austin Road,north of the landfill);40 percent(Austin Road, south of the landfill); 35 percent(Mariposa Road, west of Austin Road); and 15 percent (French Camp Road,west of Austin Road). Future Without Project Traffic Operations For analysis of Future Without Project(2005)conditions,existing traffic volumes at the study intersections were adjusted to reflect the following factors: • Increased through volumes on Mariposa Road(background growth of one percent per yea'); • Increased traffic generated by the expanded Forward,Inc.Landfill;and • Eliminated traffic generated by the Austin Road Landfill,accounting for the fact that if the project were not approved,current landfill capacity will be exhausted,and the permitted landfill will be closed,in 2007. III.D.7