75B - PH - BRISTOL EIR FR CIVIC CENTER TO WASHINGTON(no exhibit 1)

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ENVIRONMENTAL IMPACT REPORTADDENDUM Bristol Street Widening Phase IIIA— Civic Center Drive to Washington Avenue recommended in the Bristol Street Corridor Study — Final Report prepared by Motile, Grover & Associates (1983). It was also recommended in the Arterial Highway Element — Santa Ana Element — Santa Ana Transportation Corridor State II Alternative Analysis prepared by Parsons, Brinkerhoff, Quade and Douglas, Inc. (1983). The proposed widening is also consistent with the recommendation found in the Intercity Liaison Committee — Five -Year Transportation Study Update to 1990 prepared by Basmaciyan- Darnell, Inc. (1985). Furthermore, the proposed Project would improve traffic operations through the Project corridor. Impacts would be similar to those identified in the 1990 FEIS /EIR. Mitigation Measures No new additional mitigation measures are required. b.) Conflict with an applicable congestion management program, including, but not limited to level of service standards and travel demand measures, or other standards established by the county congestion management agency./or designated roads or highways? The proposed Project would result in an improvement to Bristol Street from Civic Center Drive to Washington Avenue. Within the Project limits, Bristol Street would be widened from four to six lanes. The proposed Project includes the addition of a westbound right -turn lane on Washington Avenue at Bristol Street, and also eliminates the eastbound through movement on Washington Avenue at Bristol Street to match existing conditions; elimination of this through movement along Washington Avenue would not result in a reduction in level of service as evaluated in the 1990 FEIS /EIR. The Project would result in improved traffic flow and LOS along the roadway; therefore, the proposed Project would not cause the County congestion agency's LOS standards to be exceeded. Impacts would be similar to those identified in the 1990 FEIS /EIR. Mitigation Measures No new additional mitigation measures are required. c.) Result in a change in air traffic patterns, including either an increase in traffic levels or a change in location that results in substantial safety risks? The closest airport to the site is John Wayne — Orange County Airport, located more than five miles southeast of the Project site; the proposed Project would have no impact on air traffic patterns. The proposed Project would not introduce any new risks or increase risks. Impacts would be similar to those identified in the 1990 FEIS/EIR. Mitigation Measures No new additional mitigation measures are required. d.) Substantially increase hazards dice to a design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g., farm equipment)? The proposed Project would improve the traffic flow along Bristol Street from Civic Center Drive to Washington Avenue, and would not create any sharp curves or other incompatible uses. The proposed Project would not create any significant hazards beyond what was previously analyzed. Impacts would be similar to those identified in the 1990 FEIS /EIR. ANA 305 -011 (PER 02) CITY OF SANTA ANA (01/19/2015) YU PAGE 53 75B -72