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<br />£1 Camino Real Traffic 1..1.6001 System City of Redwood City <br />The surveys will be conducted along the study arterial separately by direction of travel and during each peak <br />period analyzed. A minimum of three runs will be conducted by direction and by time period. Based on the <br />results from the minimum runs, additional runs will be conducted, if required, to satisfy the statistical <br />requirements as described in the Ma1wal of Traffic Engineering Studies. <br />The "before" runs should ideally be conducted just prior to the implementation of the signal timing <br />improvements. The surveys will be performed only upon staff review of the procedures and the proposed <br />schedule. A memorandum providing the results of the "before" study will be submitted to the City staff and <br />Caltrans staff. <br />5.6 Signal Tuning Sheets <br />Tmùng sheets based on the approved signal timing analysis results will be prepared for project intersections <br />and for the time periods analyzed. Timing sheets will indicate information such as cycle length, phase force- <br />offs, and offsets. The timing sheets will be provided in the format suitable for implementation directly into <br />the controllers for respective jurisdictions. <br />5.7 Fme Tuning <br />MMA staff will spend significant amount of time in the field during this task. Thorough field surveys will be <br />conducted for each peak as well as midday period, and for each system in determining any necessary <br />adjustments in the implemented signal riming.c¡ to enhance traffic operations. An.y changes will be recorded <br />to be used in the "after" simulation runs. In addition, MMA staff will be available to promptly answer any <br />questions City/Caltrans staff may have regarding implemented timings. An.y "what if" scenario runs will be <br />made as necessary during the "fine-tucing" task: to assure the "ideal" timing plans are implemented responding <br />to field conditions. <br />5.8 "After" Study <br />An. "after" study will be conducted using travel time and delay surveys. The after study will be conducted <br />based on procedures established during the "before" study. The analysis of results from the "before" and <br />"after" studies will provide the data for benefits assessment. A memorandum summarizing the results of the <br />"after" study will be prepared. The results of the benefit assessment will include savings in travel time, delay, <br />speed, fuel consumption, intersection approach/total delay, and estimated reduction in pollutants, if desired. <br />MMA staff have been involved in a number of signal systems studies and have prepared benefits assessments <br />for signal system improvements including signal timing, and roadway/intersection improvements. These <br />results will also be compared against literature documP.nting average improvements observed in a large number <br />of similar studies. <br />TASK 6: COORDINATION AND CALTRANS REVIEW <br />The proposed project is multi-jmisdictional in nature involving coordination with at least four agencies including <br />Redwood City, Caltrans, San Carlos and Belmont MMA staff have significant experiences with multi- <br />jurisdictional projects and will work with. the involved agencies to obtain relevant inputs pertaining to respective <br />jurisdiction such as PS&E guidelines, signal timing guidelines, among others. In addition, the draft products will <br />be reviewed with involved agencies to obtain any comments to finalizing the PS&E package and signal timing <br />sheets. The review coordination process is specifically applicable for critical products such as conceptual design <br />and proposed communication master plans for the study corridor. <br />Meyer, Mohaddes Associates, Inc. <br />34 <br /> -r <br />