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Item No. 2 PC: 4-9-92 GP-89-11 Page 7 • Deed restrictions on land adjoining the new community. Mitigation could consist of either restrictions on the uses of adjoining agricultural lands (those under the proponents' control) or deed restrictions on the uses of lands within the Mountain House new community that are adjacent to agricultural lands (e.g., lot size, setback requirements, outdoor uses, fencing, and inclusion of the Right to Farm Ordinance). SP This is a summary only A detailed listing of all EIR mitigation is included as Attachment A. Several potential internal land use impacts were identified in the EIR, but they have been effectively mitigated via the revised land use diagram described earlier. Generally, the revised plan improves the project from an environmental perspective, since it responds to identified impacts in the EIR. TRANSPORTATION EXISTING SYSTEM: The project site is served by several two-lane rural roads. These roads include Grant Line Road, Patterson Pass Road, Byron Road, Kelso Road, and Mountain House Road. Regional access is provided via two interchanges: Patterson Pass Road/1-205 at the southeast corner of the project site, and Grant Line Road/1-580, west of the site in Alameda County. PROPOSED SYSTEM: Roadways: A completely new internal roadway system would need to be constructed to accommodate development of the new community, although the proposed project does incorporate three existing roads (Byron Road, Grant Line Road, and Patterson Pass Road) to provide major circulation facilities through the site. All three existing roads would be improved to major arterial status as part of the project. Additional internal circulation facilities as proposed by the applicant are generally considered adequate to accommodate project traffic, according to the Draft EIR analysis. However, the DEIR analysis determined that some of the planned internal roads would require additional widening to meet the County's applicable Level of Service (LOS) standard of 'C' for County roads. This information, along with other recommended revisions discussed in the EIR, was incorporated by the project proponent in the revised land use diagram. A new internal circulation plan which proposes a new north-south expressway along the Alameda County line is illustrated in the land use diagram. It should be noted that the precise alignment of this new north- south expressway has not yet been determined but would be identified during the preparation of the subsequent Public Services and Facilities Plan accompanied by supporting environmental analysis, if the Mountain House General Plan Amendment is approved. Thus, a conceptual route illustrated by a dashed line is proposed at this stage in the process. Further revisions to the internal circulation system of the project will be required to meet LOS C standards prior to the approval of any subsequent plans. Although the revised land use diagram incorporates some improvements to the internal circulation system, some internal roads would still operate at LOS D.