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circumstances identified are a few new regulations regarding environmental resources that may not have been applicable at the time of the 1994 Master EIR. Any relevant revised or new environmental regulations since 1994 are addressed in the Initial Study completed for Neighborhood F, and do not require substantial changes to the 1994 Master EIR. (See Neighborhood F Project Initial Study) In terms of cumulative growth since 1994, a number of projects in the regional area of the Mountain House site that were discussed in the 1994 Master EIR have either been completed or withdrawn from application. In addition, new projects have been proposed in the greater Tracy, Alameda County, and Contra Costa County areas. However,the focus of the 1994 Master EIR was on the general 2010 build-out of San Joaquin County and neighboring counties rather than project specific build-outs. The EIR cumulative impacts also incorporated build-out of the entire Mountain House New Community as well as the specific neighborhoods of Specific Plan I. Therefore, conclusions of the "Cumulative Impacts" section of the 1994 Master EIR are not altered by the change in specific projects in the greater region, and the project's proportional contribution to cumulative impacts remains relatively unchanged. No substantial changes have occurred in the cumulative traffic analysis which would require major revisions to the 1994 Master EIR. Cumulative traffic impacts have been recalculated for 2010 using the same accelerated build-out assumptions for Mountain House as the 1994 Master EIR, but with current regional housing, employment and traffic projections. The traffic study found that projected cumulative traffic conditions are essentially of similar or lower overall volumes than documented in the 1994 Master EIR resulting in generally similar or lower cumulative traffic volumes. Cumulative traffic impacts are also essentially similar or of lower impact than the 1994 Master EIR. The Initial Study traffic study found substantial decreases in freeway and highway traffic on 7 of the 9 segments evaluated and small increases on two segments. All freeway/highway segment levels of service remained the same or improved in comparison to the 1994 Master EIR traffic analysis. Of the 24 arterial road segments evaluated, 11 had similar levels of service, 11 had improved levels of service, and two, Grant Line Extension and Tracy Boulevard north of Lammers Road,had decreased levels of service. The few road segments with lower levels of service can be mitigated with measures similar to that proposed in the MEIR. The proposed Grant Line Road Extension which is currently projected to have LOS "D"in comparison to prior MEIR projections of LOS "C"can be mitigated by amending the LOS standard from"C"to "D" as was done for Grant Line Road within Mountain House, or by widening the road from four to six lanes. A portion of the proposed roadway within one-quarter mile of I-205 already is designated for a LOS "D" standard under the Tracy General Plan. Tracy Boulevard north of Lammers Road is projected to decrease in Level of Service from LOS "C"to LOS"D" in A.M. and LOS "E" in P.M. This impact can be mitigated by adding the roadway to the San Joaquin County Traffic Impact Mitigation Fee (TIMF)program at the appropriate time for widening from two to four lanes. The added mitigation measures are to be incorporated into the environmental documentation for the Neighborhood F 28