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Using Data To Manage Mobility
Andrew Heath, PE – State Traffic EngineerEmily Dwyer, PE – ITS Supervisor
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Overview
• Current Data Sources• Data Aggregation Tool• Changes To GDOT’s External
Performance Metrics Website • Next Steps
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Navigator – Advanced Traffic Management System
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Traffic Congestion Model
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ATSPM – Automated Traffic Signal Performance Metrics
73.1% Arrivals On Green(Average Across the State)
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Interstate Device Data
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CHAMP Data
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WAZE Data
Reporting Live Updates Every 30 Seconds
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GEARS Data
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Predictive Weather and Surface Condition Analytics
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Connected Vehicle Data Deployment
Phase 1: Pilot
Phase 2: RTOP – April 2019• First 250 of FY 2019 to be installed by mid-April 2019
• Connectivity on every major arterial in metro Atlanta
• Open data stream to third parties also available
• Actively Operating – June 2018
First 250 Units Of Phase 2
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Phase service
remaining
Intersection name Debug
information
Minimum speed
required to clear green
Vehicle speed
In-Vehicle Device Display
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All This Data, Now What?
• Are we installing devices where they can be of the most impact?
• Are we staging HEROs and CHAMPs appropriately for incident response?
• How do we find out about incidents more quickly and ultimately clear the roadway more quickly?
• What is the true impact of a crash on delay?
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Data Driven Decisions Focusing On Mobility Management
ITS Devices Crash DataCHAMP OperatorsWAZE Data
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Data Aggregation Tool
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Data Aggregation Tool
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Use Case – Identify New CCTV Location
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Data Aggregation – Phase 2
Traffic Signals Navigator Data Lane Closures
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GDOT Accountability – Public Facing Data
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GDOT Accountability – Public Facing Data Selected Segment: GA-400NB From I-85 To I-285, Approx. 6.5 Miles
8 mins49 mph
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GDOT Accountability – Public Facing Data
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Avg. Time To Arrival
Avg. Time To HERO Arrival on Scene
GDOT Accountability – Public Facing Data
8065
114,792
9566
110No. of Active Operators:
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Next Steps
• Import additional data sources
• Launch external website in partnership with GDOT’s Office of
Performance-Based Management and Research and Communications
• Explore additional innovations
• Work zone tracking and safety
• Connected Vehicle Expansion
• Automated Incident Detection (AID) Expansion
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QUESTIONS
Andrew Heath, PE
Georgia Department of Transportation
State Traffic Engineer
Emily Dwyer, PE
Georgia Department of Transportation
ITS Supervisor