innovative transit signal priority enhancements · innovative transit signal priority enhancements...
TRANSCRIPT
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Innovative Transit Signal Priority Enhancements
Presented byDavid Kobayashi
2017 ITS California Annual Meeting
Wednesday, September 20, 2017
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Outline
1. Objectives
2. Existing TSP Systems
3. TSP Tools
4. Data Integration
5. Lessons Learned
6. Next Steps
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Objectives
• Improve travel time
• Implement automated
data collection
• Improve diagnostic
toolset
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Existing Systems
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Bus TSP System Timeline
2005Rapid 522•50+ intersectionsusing loops
2008Rapid 522•40+ intersections using GPS
2010Rapid 522•Conversion of 50+ using GPS
2016Limited 323•36 intersections using GPS
2016Rapid 522•8 intersections using GPS
Total Current Locations: 138
10-20% Travel Time Savings10-20% Increased Ridership
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Light Rail TSP System Timeline
1987•First constructed using loops
•Mainly pre-emptive
1999• Implemented early TSP principles
2008• Implemented modern TSP
2018•Conversion of 97 intersections from loops to GPS
Total Current Locations: 97
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TSP Equipped Vehicles• 103 Light Rail Vehicles (planned)
• 65 Bus Vehicles (29 Line 522, 36 Line 323)
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TSP Tools
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Existing TSP Tools
• Time Points check-ins used in scheduling
• Operator and Public complaints
• Automated People Counter (APC)
• Automatic Vehicle Location (AVL)
• Vehicle TSP log
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Existing Efforts to Meet VisionUse existing the gateway (Moovbox) used to provide internet to our customers to pull positioning data in realtime to the Transittime/Swifty API
Moovbox cellular antennaPC
Staff End User
Transittime/Swiftly API
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Use case of Switfly Data – Light Rail Systems Speed Map
Existing TSP Tools - AVL
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0:03:14, 29%
0:05:09, 46%
0:02:51, 25%
LRV Travel Time Pie ChartTasman Drive, Santa Clara
dwell travel time stop delay
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Existing TSP Tools - AVL
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Existing Efforts to Meet Vision
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Light Rail Travel times Reamwood to Champion Westbound
May 2016
dwell travel stop
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New TSP Tools
Central System
• Automated data collection
• Alerts
• Remote access
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Planned Efforts to Meet VisionUse existing the gateway (Moovbox) used to provide internet to our customers to pull TSP logs.
Moovbox cellular antenna
PC/Server in
VTA Network
TSP Monitoring System
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Data Integration
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O&M
TransitVehicle
Planning
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Data Integration
Information Silos
Traffic Signal
CustomerService
Traffic Signal Logs
Vehicle Logs, AVL
Customer Complaints
Operator Complaints
AVLAnalysis
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Data Integration
Customer Service/Public
Engagement
VTA Transit Reporting
VTA-Planning
VTAIntegratedMonitoring
& PerformanceMonitoring
Bus Coach/Light Rail Vehicle O&M
VTA Board of Directors
Local Agency Traffic Engineering
VTATSP Staff
Work orderRespond back
To work order
Vision for Centralizing Data
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Why Integrate Performance Monitoring? Ability to Cross Query
• Patterns in data
• Failure points
• Relationships
Management
• Processing and notification
• Tracking
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Lessons Learned
Less Reactive More Proactive
• Stakeholders Concerns:
• Difficult to Pin Point Issue:
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Next Steps
• Continue Stakeholder Outreach
• Build a Common Repository for Data
• Seek Funding and Staff Resources