san jose traffic signal communications and synchronization project presented by ho nguyen city of...
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San Jose Traffic Signal San Jose Traffic Signal Communications and Communications and
Synchronization ProjectSynchronization ProjectPresented byPresented by
Ho NguyenHo Nguyen
City of San Jose, Department of TransportationCity of San Jose, Department of Transportation
May 12, 2009May 12, 2009
AgendaAgenda
BackgroundBackground Project BenefitsProject Benefits
Safety ImprovementsSafety Improvements Operational EfficienciesOperational Efficiencies Capacity ImprovementCapacity Improvement Environmental BenefitsEnvironmental Benefits
Deployment StrategyDeployment Strategy
San Jose Traffic Signal Communication and Synchronization Project
AgendaAgenda
Project ElementsProject Elements Controller ReplacementController Replacement Traffic Surveillance CamerasTraffic Surveillance Cameras Communication SystemCommunication System Dynamic Traffic Management ZonesDynamic Traffic Management Zones Signal CoordinationSignal Coordination
Lessons learnedLessons learned
San Jose Traffic Signal Communication and Synchronization Project
BackgroundBackground
1010thth largest city with over 1 million residents largest city with over 1 million residents Additional 324,000 residents by 2030Additional 324,000 residents by 2030 Additional 200,000 jobs by 2030Additional 200,000 jobs by 2030
1,160 freeway & 1,210 arterial lane miles1,160 freeway & 1,210 arterial lane miles 900 traffic signals900 traffic signals Arterial operations critical to the movement of Arterial operations critical to the movement of
goods and peoplegoods and people Traffic Management System Upgrade Program Traffic Management System Upgrade Program
visionvision
San Jose Traffic Signal Communication and Synchronization Project
BackgroundBackground
Recent Accomplishments Toward VisionRecent Accomplishments Toward Vision ATMS upgrade to support TCP/IP communicationATMS upgrade to support TCP/IP communication Standardization of 2070 controller & firmwareStandardization of 2070 controller & firmware Upgrade of 115 controllers along transit corridorsUpgrade of 115 controllers along transit corridors Transportation Incident Management Center design Transportation Incident Management Center design
underwayunderway $15M TLSP grant, $5M City match, 3 year $15M TLSP grant, $5M City match, 3 year
deliverydelivery
San Jose Traffic Signal Communication and Synchronization Project
Project BenefitsProject Benefits Safety ImprovementsSafety Improvements
Annual reduction of 180 vehicle crashes, $3.9M Annual reduction of 180 vehicle crashes, $3.9M accident-related costsaccident-related costs
Ped timing plans by TODPed timing plans by TOD Advance RR preemptionAdvance RR preemption
Operational EfficienciesOperational Efficiencies Provide timely response to maintenance and Provide timely response to maintenance and
customer service requestscustomer service requests Congestion relief via remote monitoring with Congestion relief via remote monitoring with
additional traffic surveillance cameras additional traffic surveillance cameras Enhanced controller functionalitiesEnhanced controller functionalities
San Jose Traffic Signal Communication and Synchronization Project
Project BenefitsProject Benefits Capacity ImprovementCapacity Improvement
Transit signal operation, BRT and LRTTransit 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 2070 controller’s robust communication and ATSC
featuresfeatures Environmental BenefitsEnvironmental Benefits
Reduced emissions by 99 tons annually of ROG, NOx, Reduced emissions by 99 tons annually of ROG, NOx, and weighted PMand weighted PM
Reduced fuel consumption: 625,000 gallons, $1.6M Reduced fuel consumption: 625,000 gallons, $1.6M fuel costsfuel 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 conquerDivide and conquer Physical and logical network designPhysical and logical network design 7 phases, each phase mapped to distinct networks 7 phases, each phase mapped to distinct networks
(VLANs)(VLANs) Deployment orderDeployment order
Based on existing, physical SIC infrastructure to Based on existing, physical SIC infrastructure to minimize construction costs minimize construction costs
Order based on greatest level of congestion reliefOrder based on greatest level of congestion relief
Deployment StrategyDeployment Strategy
San Jose Traffic Signal Communication and Synchronization Project
TiMC
SIC
TiMC
SIC
TiMC
SIC
Fiber Trunk & Hub
Fiber Trunk & Hub
Deployment StrategyDeployment Strategy
Project DeliveryProject Delivery In-house procurement and installationIn-house procurement and installation
Leverage of GrantsLeverage of Grants Signal timing MTC RTSP & TFCA grantsSignal timing MTC RTSP & TFCA grants
San Jose Traffic Signal Communication and Synchronization Project
Project ElementsProject Elements Controller ReplacementController Replacement
785 new 2070LN controllers upgrade785 new 2070LN controllers upgrade TSP for LRT/BRT, predictive priority TSP for LRT/BRT, predictive priority Data key support, resulting in improved maintenance Data key support, resulting in improved maintenance
response timesresponse times Advance RR preemption supportAdvance RR preemption support Virtual controller software/suitcase testerVirtual controller software/suitcase tester Robust communication system, supporting ATSC and Robust communication system, supporting ATSC and
minimizing comm server requirementsminimizing comm server requirements
San Jose Traffic Signal Communication and Synchronization Project
Project ElementsProject Elements
141 Traffic Surveillance Cameras141 Traffic Surveillance Cameras Signal head embedded camerasSignal head embedded cameras PTZ camerasPTZ cameras IP encodersIP encoders
Communications System UpgradeCommunications System Upgrade Fiber communication trunkFiber communication trunk
6 hub installations w/ 60-ft poles for wireless radio AP’s and 6 hub installations w/ 60-ft poles for wireless radio AP’s and FO pullbox upgradesFO pullbox upgrades
City installation of 36 miles of fiber cablesCity installation of 36 miles of fiber cables
San Jose Traffic Signal Communication and Synchronization Project
Project ElementsProject Elements
Communications System Upgrade (cont.)Communications System Upgrade (cont.) Field-hardened, fiber-based Ethernet switchesField-hardened, fiber-based Ethernet switches 660 EFM over Copper (EFMC) devices660 EFM over Copper (EFMC) devices Point-to-point wireless radiosPoint-to-point wireless radios
Fault tolerance and redundancyFault tolerance and redundancy Microwave, 10 -80 GHzMicrowave, 10 -80 GHz
WiFi Mesh/Point-to-Multipoint IP radiosWiFi Mesh/Point-to-Multipoint IP radios To interconnect 270 currently non-communicating and To interconnect 270 currently non-communicating and
leased-line intersectionsleased-line intersections License free or new 5.9 GHz ITS bandLicense free or new 5.9 GHz ITS band
San Jose Traffic Signal Communication and Synchronization Project
Project ElementsProject Elements
Dynamic Traffic Management ZonesDynamic Traffic Management Zones 7 areas7 areas In-pavement detection systemsIn-pavement detection systems
Signal SynchronizationSignal Synchronization 604 signals retimed along 60 major commute 604 signals retimed along 60 major commute
corridorscorridors Funded through RSTP and TFCA grantsFunded through RSTP and TFCA grants
San Jose Traffic Signal Communication and Synchronization Project
Lessons LearnedLessons Learned
Project DeliveryProject Delivery Cabinet MaintenanceCabinet Maintenance
Technology SelectionTechnology Selection Fiber vs. wireless vs. copper (VDSL vs. SHDSL)Fiber vs. wireless vs. copper (VDSL vs. SHDSL)
In-house ExpertiseIn-house Expertise Motivated staffMotivated staff Network trainingNetwork training Dedicated IT personnelDedicated IT personnel
San Jose Traffic Signal Communication and Synchronization Project
Lessons LearnedLessons Learned 2070 Controller Hardware2070 Controller Hardware
Modularity introduces multiple points of failureModularity introduces multiple points of failure Long lead timeLong lead time Data key is maintenance blessingData key is maintenance blessing
Controller Firmware DeveloperController Firmware Developer Locality leads to successful controller deployment and Locality leads to successful controller deployment and
integrationintegration Future OpportunitiesFuture Opportunities
IP network currently used for CMS and PGS IP network currently used for CMS and PGS communications communications
Interconnect any IP enabled devicesInterconnect any IP enabled devices
San Jose Traffic Signal Communication and Synchronization Project
QuestionsQuestions
Ho Nguyen, TLSP Project ManagerHo Nguyen, TLSP Project Manager
[email protected]@sanjoseca.gov
(408)975-3279(408)975-3279
TLSP Web Site - TLSP Web Site - http://www.sanjoseca.gov/transportation/TLSP_home.asphttp://www.sanjoseca.gov/transportation/TLSP_home.asp
San Jose Traffic Signal Communication and Synchronization Project