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140 | what studies are needed and he wanted to hear from Staff Patel about his perspective on some of the technical issues that are involved. Jennifer Ott replied that they hired Kittelson and Associates who performed the traffic analysis. So, Staff Patel could talk about what Caltrans might inquire about, but she would like Kittelson and Associates to talk about what analysis was performed. Commissioner Vargas stated that Caltrans was looking for additional traffic studies in order to grant the City design exceptions. He explained they only cover the part between Webster and Sherman Streets, which is a state route, and the rest does not need approval but falls on the City. However, for continuity sake he asked staff to talk about the studies Caltrans is inquiring about and the studies that have been done so far, including what are the challenges this project has from an engineer's perspective. Staff Patel replied since this project is only a study they have not done detailed traffic operation analysis. However, from Caltrans' or the City's standpoint staff is conducting analysis on each and every traffic signal along the route and the proposed signals along the route. Yet, that level of detail Kittelson and Associates may have done as an overview. He explained that design exceptions usually go to the headquarters, which is why staff ended up having this route under the City because they were asking for a standard shoulder width and the City did not have the standard width. Commissioner Miley asked staff if the traffic and operational analysis include a review of shifts in vehicle traffic or only show the Central Avenue traffic or also movements to other streets. Staff Patel replied that staff would look into the shifts in vehicle traffic. Commissioner Miley asked staff when the plan would go over to engineering for detail design. Staff Patel replied staff reviewed the conceptual plan and made comments, but the plan is turned over to engineering for detail design when the final plan is approved by the Transportation Commission and City Council. Commissioner Bellows said what was happening tonight was reviewing and making a motion for the conceptual plan and that was all that was funded. She said until additional funding is identified they are not going forward with the design. Jennifer Ott stated that staff has reviewed the conceptual plan with City and Coastal engineers, Stantec Engineering, Staff Patel, Kittelson and Associates and Caltrans engineers. She also said there will be additional analysis and engineering when they get into the design phase. Laurence Lewis, Kittelson and Associates, stated that an overview of the analysis looked at seven key intersections on Central Avenue and one limitation that would be addressed is looking at the minor intersections as well. He said they looked at locations that have traffic signals with the highest traffic volumes going west to east and during the design phase all the side streets would be analyzed. Additionally, they looked at AM and PM peak hours to understand the existing traffic volumes level of service and existing conditions to understand the impact. Overall, they Page 15 of 17 |