georgia’s intelligent transportation system
TRANSCRIPT
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Georgia’sIntelligent Transportation System
www.georgia‐NaviGAtor.com
Talking Technology and Transportation (T3) Webinar
March 4, 2008
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The Beginning of NaviGAtor
Primarily in response to Atlanta’s selection as host of the 1996 Summer Olympic Games– What can we do to keep traffic moving during this massive influx of people?
– What technologies can we show off to the world related to transportation?
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Georgia DOT took lead role in developing system
Primarily used Demonstration Project (DPI) and Congestion Mitigation (CMAQ) funds
GDOT partnered with FHWA, five local counties, the City of Atlanta, and transit (MARTA)
The Beginning of NaviGAtor
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Initial Concept
NaviGAtor was to be:– Primarily a freeway incident and traffic management program
– Secondarily a traveler information system
– Centered in a GDOT Transportation Management Center (TMC)
– Networked with satellite Transportation Control Centers (TCCs)
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Initial Concept
GDOTTMC
Cobb CoTCC
Fulton CoTCC
Gwinnett CoTCC
Dekalb CoTCC
CLayton CoTCC
MARTATCC
City of AtlantaTCC
SavannahTCC
AthensTCC
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Initial Concept
Cobb CoTCC
Fulton CoTCC
Gwinnett CoTCC
Dekalb CoTCC
CLayton CoTCC
MARTATCC
Freeways/State routes
Signals andlocal streets
Transit
Signals andlocal streets
Signals andlocal streets
Signals andlocal streets
Signals andlocal streets
City of AtlantaTCC
Signals andlocal streets
SavannahTCC
AthensTCC
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Initial Concept
Instead of being housed in same facility, partner jurisdictions are tied together virtually
All partners run the same NaviGAtor software
Interconnected via fiber
All video is shared, including control
Each partner maintains own database, but info is shared
MOUs signed between State and locals
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Roles
Georgia DOT
‐ Freeway surveillance‐ Freeway speed/volume detection‐ Freeway incident management‐ Ramp metering‐ Traveler Info (message signs)‐ Traveler Info (website and 511)‐ HOV Lane monitoring‐ State Route management‐ Construction tracking statewide‐Maintenance dispatch‐ Traffic signal repair dispatch
Local Jurisdictions
‐ Arterial surveillance‐ Traffic signal operation‐ Arterial Traveler Info (message signs)‐ Arterial Traveler Info (Traffic TV)
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Common Software Platform
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Incident Management
JurisdictionJurisdiction
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Incident Management
Filter ToolFilter Tool
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Incident Management
Add or Add or remove remove counties that counties that will appear in will appear in incident listincident list
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Camera Selection
JurisdictionJurisdiction
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Camera Selection
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Camera Selection
Camera list for newCamera list for newjurisdiction appearsjurisdiction appears
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GDOT NaviGAtor Overview
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GDOT NaviGAtor Overview
Devices primarily concentrated in Metro Atlanta
Some statewide elements:– Hurricane evacuation system along coast– Weather stations statewide– Message signs scattered around the state
Responsibility for state routes across Georgia– Clearinghouse for all incidents/construction
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GDOT NaviGAtor Overview
Most ITS effortsled out of HQ officein Atlanta
One District (3) alsoactive in ITS
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GDOT NaviGAtor OverviewFreeway
• 375 cameras
• 105 Variable Message Signs
• 1500 detection stationsMostly videoSome RTMSSome cell phone probes
• 8 ramp metersSoon to be 140
• 180 centerline miles ofcoverage
Expanding to 260
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GDOT NaviGAtor Overview
Macon
• 39 cameras
• 5 Variable Message Signs
• 80 detection stationsMostly video
Some cell phone probes onroadways outside red circle
• 12 centerline miles ofcoverage
• Connected to Atlanta via leased fiber
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Incident Management
Key component of NaviGAtor
Not good enough just to know about incidents; must take action to clear lanes
GDOT has 24/7 “HERO” patrols– 70‐vehicle unit– Incident management first, motorist aid second– 260 miles of patrol in metro Atlanta
Relieves police of traffic control duties
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Incident Management
Incident info shared with police via phone– Also on‐scene coordination relayed thru dispatch
Traffic Incident Management Enhancement (TIME) task force formed– Made up of GDOT, police, fire, EMS, State Patrol, etc.
– Meets frequently to discuss incident management
– “After‐action” debriefings held
Traffic Recovery Incentive Program (TRIP) recently kicked off
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Media Relationships
Share four simultaneous video feeds with all major networks in Atlanta
Media liaison employed at TMC
Incident info shared both ways with media
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Data Sharing with ISPs
All NaviGAtor content freely available
http://data.georgia‐NaviGAtor.com– Includes all images
– Raw station data (speeds, counts, etc)
– Maps
Accessed by various media outlets and traffic info consolidators
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Looking Ahead
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Future Plans
Engage more partners– Counties, including those outside metro Atlanta
– Police/fire/rescue
– Towing/recovery
– Media
Develop browser‐based software
Incorporate traffic signals into NaviGAtor
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Future Plans
Keep costs low
Utilize GDOT specs for compatibility– GDOT revising specs to keep options open
Bring more value/usefulness to locals
Enrich 511 information– Cover more roadways– Include better utility and const lane closures
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Contact Information
Mark S. Demidovich, P.E.Asst. State Traffic EngineerGeorgia Dept of Transportation935 E. Confederate Avenue, Bldg. 24Atlanta, GA 30316(404) 635‐[email protected]