TRANSPORTATION CORRIDORY AGENCY - PUBLIC HEARING NOTICE - EST 1986

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established alignment between the Eastern Corridor and a point northerly of Ortega Highway and a conceptual alignment between that point and San Diego Freeway (I -5). As depicted on Exhibit I, the Eastern Transportation Corridor will intersect the Riverside Freeway (Route 91) between Weir Canyon Road and Gypsum Canyon Road extending southeasterly approx. 13 miles to a point southerly of the Santa Ana Freeway (I -5) in the Cities of Tustin and Irvine. The Foothill Transportation Corridor will originate from the Eastern Corridor between Santiago Canyon Road and Irvine Boulevard and extend southeasterly approx. 32 miles to the San Diego Freeway (I -5) below San Clemente in San Diego County. It is anticipated the Eastern corridor will be a landscaped, grade separated scenic corridor which includes approximately six general purpose travel lanes *and the Foothill Corridor, a landscaped corridor which includes four to six general purpose travel lanes with medians or other areas wide enough to accommodate HOV /Special Transit requirements if necessary. Access to the corridor will be limited to grade- separated interchanges with arterial highways plus provisions for future exclusive interchange ramps for HOV lanes. III. CORRIDOR PLANNING The level of facility planned in this report will support currently u adopted land use plans of the County and Cities surrounding the corridors. In the event the Cities and County subsequently augment their existing General Plan land uses, particularly in areas serving the Foothill and Eastern Corridors, those facilities may require increased lanes to accommodate that growth. It is intended that the fee adopted under this program will be reevaluated if an additional level facility is identified to serve increased adopted land uses. The majority of the length of corridor alignments fall within relatively undeveloped areas of the County. Exceptions to this are either end of the San Joaquin Hills Transportation Corridor and the central segments of the Foothill /Eastern Transportation Corridors. Each corridor traverses areas of hilly terrain. -� A majority of the areas traversed by the corridors is zoned Planned Community with tentative tracts proceeding in various stages of approval. An alignment was selected by the Board of Supervisors for the San Joaquin Hills Transportation Corridor on November 28, 1979 and the northwesterly segment of the Foothill Corridor on May 25, 1983. Nore detailed engineering work is currently underway on the San Joaquin Hills Transportation Corridor to refine the selected alignment and determine right -of -way requirements. Similar detailed engineering is also in progress for the northwesterly segment of the Foothill Transportation Corridor through developer studies of surrounding lands. Alignment selection studies are well underway on the Eastern Corridor and just getting started for the southerly end of the Foothill Corridor between about Oso Parkway and I -5. It is proposed that all corridors will eventually be added to the State Highway System. State legislation (AB 86) has been signed into law which redescribes State Route 73 (Corona Del Mar Freeway) to include the San Joaquin Hills Transportation Corridor. -5-