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NOTICE OF PREPARATION OF AN ENVIRONMENTAL IMPACT REPORT FOR THE YERBA BUENA ISLAND RAMPS IMPROVEMENT PROJECT
Project Description: The Authority proposes to remove the westbound on- and off-ramps located on the east side of Yerba Buena Island (YBI). New westbound on- and off-ramps that replicate the functional role of the current ramps on the east side of YBI would be constructed. The replacement ramps would address seismic, traffic safety requirements, and design standards. The Authority is preparing an Environmental Impact Report (EIR) under the provision of the California Environmental Quality Act (CEQA) for the proposed action. The project involves a federal action and is therefore also subject to review under the National Environmental Policy Act (NEPA). The environmental document will be a joint environmental impact statement/environmental impact report (EIS/EIR) and is hereinafter referred to as the EIS/EIR. The YBI Ramps Improvement Project is a separate project from the San Francisco Oakland Bay Bridge (SFOBB) East Span Seismic Safety Project currently under construction, and the Treasure Island and Yerba Buena Island (TI/YBI) Redevelopment Plan which is undergoing its own environmental review process. The YBI Ramps Improvement Project has been proposed to address the geometric and operational deficiencies of the existing on-and off-ramps and their effects on the San Francisco-Oakland Bay Bridge (I-80) mainline, without degrading the mainline operation as compared to the no-action alternative. This project would improve safety and facilitate traffic operations at the I-80/YBI interchange by replacing the westbound on- and off-ramps located on the east side of YBI. The feasibility of improving the geometric configuration and operational improvements of the eastbound off-ramp to Hillcrest Road on the east side of YBI will also be studied. The Authority is the Lead Agency under CEQA and the California Department of Transportation (Caltrans) is the Lead Agency under NEPA. Public comments concerning the scope of the EIR will be accepted from September 5 through October 6, 2008. Written comments on the scope of alternatives and impacts to be considered must be received at the Authority office no later than 5 p.m. on October 6, 2008 and sent to Eric Cordoba, Project Manager; San Francisco County Transportation Authority; 100 Van Ness Avenue, 26th Floor; San Francisco, CA 94102. Phone: (415) 955-2904. Fax: (415) 522-4829. E-mail: , with a copy of the comment sent to Melanie Brent, Caltrans District 4 Office of Environmental Analysis, 111 Grand Avenue, Oakland CA 94623. Telephone (510) 286-5231. Please include the name of an appropriate contact person in your agency for continued EIS/EIR coordination.
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