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APPROAC <br />Our team has a long history of providing procurement documents for controller <br />cabinet/timer replacements as well as required ADA improvements. <br />CONTROLLER CABINET AND/OR <br />TIMER REPLACEMENTS <br />Following the signal inventory and CMS <br />vetting, we will prepare procurement <br />documents for controller cabinet and/or <br />timer replacements if required. Each CMS <br />has its own unique requirements in terms <br />of compatible controllers and firmware. <br />Lochmueller's unique manufacturing <br />experience gives us a distinct advantage <br />over firms without the specialized <br />knowledge that can only be gained by <br />working directly for signal manufacturers. <br />C-V2X also typically requires specific <br />controller firmware in order for traffic <br />signals to communicate with connected <br />vehicles. This can often be accommodated <br />by flashing new firmware onto the existing <br />controllers if they are compatible. <br />PEDESTRIAN ADA UPGRADES <br />Pending the results of the ADA assessment <br />during the initial signal inventory, <br />procurement documents will be prepared <br />to bring all pedestrian crossings up to <br />PROWAG and MUTCD compliance. This may <br />also require the existing pushbuttons to be <br />upgraded to Accessible Pedestrian Signals <br />(APS) with ADA compliant ramps, flat landing <br />areas, and truncated domes. Our team <br />has extensive experience designing ADA <br />compliant pathways. <br />TRADITIONAL SIGNAL TIMING OPTIMIZATION <br />Data Collection and Project Investigation <br />We will utilize data gathered during the initial signal inventory and <br />supplement this information with either Google Earth imagery or <br />field verification. This will include all turning bay lengths, left -turn <br />protection, lane widths, speed limits for all approaches, pedestrian <br />crossing lengths, and distances between the signals. We will also <br />conduct peak -period field observations to identify key intersections <br />and critical traffic movements. Before and after travel delays are <br />typically obtained to document stops and delays. We also anticipate <br />obtaining manual turning movement traffic counts and 24/7 counts <br />at strategic mid -block locations. <br />Signal Timing Optimization <br />All existing information will be entered into Synchro to create <br />existing timing models. Each model will then be optimized while <br />adhering to the timing constraints outlined in the initial kick-off <br />meeting. Special attention will be given to the critical movements <br />and intersections identified by the initial field investigations. If <br />possible, we will try to minimize stops at the critical movements, <br />since it is much harder restarting large platoons of traffic. We will <br />evaluate a range of cycle lengths and try to utilize the lowest cycle <br />length that will accommodate the platoons of traffic. Once each <br />proposed plan has been created, we will prepare a preliminary <br />report for the City to review. Prior to implementation, our team will <br />prepare a brief timing update summary the City can share with the <br />public to give them advance notice of the timing changes. <br />Summary of Benefits <br />After each plan has been implemented and optimized in the <br />field, we will prepare a final report summarizing the reduction of <br />fuel consumption and pollutant emissions based on Synchro's <br />theoretical reports, travel delays, and ATSPM data if available. <br />LOCHMUELLER GROUP 1 8 <br />