San Jose Traffic Signal Communications and Synchronization Project Presented by Ho Nguyen City of San Jose, Department of Transportation May 12, 2009

Agenda Background Background Project Benefits Project Benefits Safety Improvements Safety Improvements Operational Efficiencies Operational Efficiencies Capacity Improvement Capacity Improvement Environmental Benefits Environmental Benefits Deployment Strategy Deployment Strategy San Jose Traffic Signal Communication and Synchronization Project

Agenda Project Elements Project Elements Controller Replacement Controller Replacement Traffic Surveillance Cameras Traffic Surveillance Cameras Communication System Communication System Dynamic Traffic Management Zones Dynamic Traffic Management Zones Signal Coordination Signal Coordination Lessons learned Lessons learned San Jose Traffic Signal Communication and Synchronization Project

Background 10 th largest city with over 1 million residents 10 th largest city with over 1 million residents Additional 324,000 residents by 2030 Additional 324,000 residents by 2030 Additional 200,000 jobs by 2030 Additional 200,000 jobs by ,160 freeway & 1,210 arterial lane miles 1,160 freeway & 1,210 arterial lane miles 900 traffic signals 900 traffic signals Arterial operations critical to the movement of goods and people Arterial operations critical to the movement of goods and people Traffic Management System Upgrade Program vision Traffic Management System Upgrade Program vision San Jose Traffic Signal Communication and Synchronization Project

Background Recent Accomplishments Toward Vision Recent Accomplishments Toward Vision ATMS upgrade to support TCP/IP communication ATMS upgrade to support TCP/IP communication Standardization of 2070 controller & firmware Standardization of 2070 controller & firmware Upgrade of 115 controllers along transit corridors Upgrade of 115 controllers along transit corridors Transportation Incident Management Center design underway Transportation Incident Management Center design underway $15M TLSP grant, $5M City match, 3 year delivery $15M TLSP grant, $5M City match, 3 year delivery San Jose Traffic Signal Communication and Synchronization Project

Project Benefits Safety Improvements Safety Improvements Annual reduction of 180 vehicle crashes, $3.9M accident-related costs Annual reduction of 180 vehicle crashes, $3.9M accident-related costs Ped timing plans by TOD Ped timing plans by TOD Advance RR preemption Advance RR preemption Operational Efficiencies Operational Efficiencies Provide timely response to maintenance and customer service requests Provide timely response to maintenance and customer service requests Congestion relief via remote monitoring with additional traffic surveillance cameras Congestion relief via remote monitoring with additional traffic surveillance cameras Enhanced controller functionalities Enhanced controller functionalities San Jose Traffic Signal Communication and Synchronization Project

Project Benefits Capacity Improvement Capacity Improvement Transit signal operation, BRT and LRT Transit signal operation, BRT and LRT 604 signals along 60 corridors to be retimed 604 signals along 60 corridors to be retimed 2070 controller’s robust communication and ATSC features 2070 controller’s robust communication and ATSC features Environmental Benefits Environmental Benefits Reduced emissions by 99 tons annually of ROG, NOx, and weighted PM Reduced emissions by 99 tons annually of ROG, NOx, and weighted PM Reduced fuel consumption: 625,000 gallons, $1.6M fuel costs Reduced fuel consumption: 625,000 gallons, $1.6M fuel costs Reduced travel time and stops by 15% and 25% Reduced travel time and stops by 15% and 25% San Jose Traffic Signal Communication and Synchronization Project

Divide and conquer Divide and conquer Physical and logical network design Physical and logical network design 7 phases, each phase mapped to distinct networks (VLANs) 7 phases, each phase mapped to distinct networks (VLANs) Deployment order Deployment order Based on existing, physical SIC infrastructure to minimize construction costs Based on existing, physical SIC infrastructure to minimize construction costs Order based on greatest level of congestion relief Order based on greatest level of congestion relief Deployment Strategy San Jose Traffic Signal Communication and Synchronization Project

Deployment Strategy Project Delivery Project Delivery In-house procurement and installation In-house procurement and installation Leverage of Grants Leverage of Grants Signal timing MTC RTSP & TFCA grants Signal timing MTC RTSP & TFCA grants San Jose Traffic Signal Communication and Synchronization Project

Project Elements Controller Replacement Controller Replacement 785 new 2070LN controllers upgrade 785 new 2070LN controllers upgrade TSP for LRT/BRT, predictive priority TSP for LRT/BRT, predictive priority Data key support, resulting in improved maintenance response times Data key support, resulting in improved maintenance response times Advance RR preemption support Advance RR preemption support Virtual controller software/suitcase tester Virtual controller software/suitcase tester Robust communication system, supporting ATSC and minimizing comm server requirements Robust communication system, supporting ATSC and minimizing comm server requirements San Jose Traffic Signal Communication and Synchronization Project

Project Elements 141 Traffic Surveillance Cameras 141 Traffic Surveillance Cameras Signal head embedded cameras Signal head embedded cameras PTZ cameras PTZ cameras IP encoders IP encoders Communications System Upgrade Communications System Upgrade Fiber communication trunk Fiber communication trunk 6 hub installations w/ 60-ft poles for wireless radio AP’s and FO pullbox upgrades 6 hub installations w/ 60-ft poles for wireless radio AP’s and FO pullbox upgrades City installation of 36 miles of fiber cables City installation of 36 miles of fiber cables San Jose Traffic Signal Communication and Synchronization Project

Project Elements Communications System Upgrade (cont.) Communications System Upgrade (cont.) Field-hardened, fiber-based Ethernet switches Field-hardened, fiber-based Ethernet switches 660 EFM over Copper (EFMC) devices 660 EFM over Copper (EFMC) devices Point-to-point wireless radios Point-to-point wireless radios Fault tolerance and redundancy Fault tolerance and redundancy Microwave, GHz Microwave, GHz WiFi Mesh/Point-to-Multipoint IP radios WiFi Mesh/Point-to-Multipoint IP radios To interconnect 270 currently non-communicating and leased-line intersections To interconnect 270 currently non-communicating and leased-line intersections License free or new 5.9 GHz ITS band License free or new 5.9 GHz ITS band San Jose Traffic Signal Communication and Synchronization Project

Project Elements Dynamic Traffic Management Zones Dynamic Traffic Management Zones 7 areas 7 areas In-pavement detection systems In-pavement detection systems Signal Synchronization Signal Synchronization 604 signals retimed along 60 major commute corridors 604 signals retimed along 60 major commute corridors Funded through RSTP and TFCA grants Funded through RSTP and TFCA grants San Jose Traffic Signal Communication and Synchronization Project

Lessons Learned Project Delivery Project Delivery Cabinet Maintenance Cabinet Maintenance Technology Selection Technology Selection Fiber vs. wireless vs. copper (VDSL vs. SHDSL) Fiber vs. wireless vs. copper (VDSL vs. SHDSL) In-house Expertise In-house Expertise Motivated staff Motivated staff Network training Network training Dedicated IT personnel Dedicated IT personnel San Jose Traffic Signal Communication and Synchronization Project

Lessons Learned 2070 Controller Hardware 2070 Controller Hardware Modularity introduces multiple points of failure Modularity introduces multiple points of failure Long lead time Long lead time Data key is maintenance blessing Data key is maintenance blessing Controller Firmware Developer Controller Firmware Developer Locality leads to successful controller deployment and integration Locality leads to successful controller deployment and integration Future Opportunities Future Opportunities IP network currently used for CMS and PGS communications IP network currently used for CMS and PGS communications Interconnect any IP enabled devices Interconnect any IP enabled devices San Jose Traffic Signal Communication and Synchronization Project

Questions Ho Nguyen, TLSP Project Manager TLSP Web Site - San Jose Traffic Signal Communication and Synchronization Project