75A - PH - EIR THE HERITAGE 2001 E DYER

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Statement of Facts and • Intersection of Red Hill Avenue at Warner Avenue (City of Tustin) • Intersection of SR 55 Northbound Ramps at Dyer Road (Caltrans) • Intersection of Red Hill Avenue at Alton Parkway (City of Irvine) • Intersection of Hotel Terrace /SR 55 Southbound Ramps at Dyer Road (City of Santa Ana /Caltrans) • Intersection of Auto Mall Drive /SR 55 Southbound Ramps at Edinger Avenue (City of Santa Ana /Caltrans) • Caltrans Freeway Ramps (Caltrans) Mitigation Measures Existing Plus Project Mitigation Measures Mitigation Measure TRA -1: Improvements to intersection No. 20, Grand Avenue at Dyer Road. Widen and restripe the westbound approach of Ayer Road to provide an exclusive right -turn lane. Modify the existing traffic signal as necessary and install all necessary striping, pavement markings and signs per Caltrans requirements and the City of Santa Ana requirements. The implementation of this improvement will require coordination and approval by Caltrans. The improvements will require the width of existing lanes be reduced to a minimum of 10 feet and the removal of the existing sidewalk on the north side of the Dyer Road undererossing, thus restricting pedestrian access. This improvement may require the reconstruction of the Dyer Road undercrossing to provide the recommended travel lane. Year 2020 Plus Project Mitigation Measures Mitigation Measure TRA -2: Improvements to intersection No. 12, Red Hill Avenue at Valencia Avenue. The northbound approach of Red Hill Avenue shall be widened and restriped to provide an exclusive right -true lane. This improvement will require, and shall include, widening along the east curb to accormnodate the proposed right -turn lane, The installation of this hnprovement is subject to the approval of the City of Tustin. Mitigation Measure TRA -3: Improvements to intersection No. 13, Main Street at Warner Avenue. The existing northbound right -turn lane on Main Street shall be converted to a shared through/right -turn lane. Mitigation Measure TRA -4: Improvements to intersection No. 18, Main Street at Dyer Road. The northbound approach of Main Street shall be widened and restriped to provide a third northbound through lane. The existing traffic signal shall be modified to install a northbound right -turn overlap. Mitigation Measure TRA -5: Improvements to intersection No. 21, SR 55 Northbound Ramps at Dyer Road. The westbound approach of Dyer Road shall be widened and restriped to provide an exclusive right -turn lane. The on -ramp for two receiving lanes shall be widened and restriped to the intersection with Dyer Road. These improvements will require, and shall include, widening along the north curb to The Heil tags Mlsed Use Project 38 ESA 1 140730 St.corent of Facts and Flodinge September 2015 75A -184