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City of Santa Ana <br />Local Signal Synchronization Plan <br />B. Traffic Signal System, Controllers and Cabinets <br />The City of Santa Ana currently operates Econolite's Centracs Advanced Transportation <br />Management System (ATMS) software, which communicates to traffic signal controllers <br />through the existing Ethernet communications network. Centracs is used to facilitate the <br />operation of the existing traffic control system via the existing communication infrastructure. <br />Centracs ATMS displays a Citywide map available for staff to quickly identify signal operational <br />status including coordination, communication issues, malfunctions, and emergency vehicle <br />preemption. Figure 5 displays a representation of a Centracs Citywide status map. <br />Figure 5 — Centracs Status Display <br />In 2011, The City completed an eight -phase project to upgrade all outdated NEMA controllers <br />to the latest 2070 controller and firmware. The project has allowed the City to fully integrate <br />and utilize Centracs in managing all 305 traffic signals effectively. The 2070 controllers have <br />served the City well but are now over 10 years old and are reaching end of life and do not <br />Page 10 2023 <br />City Council 28 — 64 6/20/2023 <br />