chicago oemc signal inventory
DESCRIPTION
Awesome view of the Department's work order system in slides 8, 9, and 10.TRANSCRIPT
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Chicago Traffic Signals Database
Presented by:
Abraham EmmanuelTraffic Management Authority –
Office of Emergency Management and Communication (OEMC)
City of Chicago
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Overview
26,000 intersections (Approximately) 2,800 + signals 24 Interconnects (480 signals) Three agencies
Chicago Department of Transportation Bureau of Electricity Office of Emergency Management – Traffic Management Authority.
Few Signals maintained by IDOT
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Overview (Cont)
Some form of electronic data repository existed since 1996.
Not up-to-date since 2003 New system developed in 2006 based on the
legacy data.
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Challenge
No one to one mapping between signals and intersections.
Signal A
Signal B Signal C Signal A
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Separated Signal from the Geography (intersection)
Signal 1
Signal 1A
Signal 1B
Signal 1C
Intersection X
Intersection Y
Intersection Z
Signal 2
Signal 2A Intersection W
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Chicago Intersections
Linked Signals to City Intersections using Lat/Log
Chicago Intersections
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City of Chicago Signalized Intersections
End Product
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What data is collected?
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A Lot of Information…
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Timing & Timing Plans…
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Links to Video & Still Images…
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Cable & Foundation Plans…
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Intersection Details…Maps & Aerial Images…
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…And Can Track Work Order.
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Technology
Microsoft Access front-end interface
Oracle Express Back End
ArcView GIS for mapping
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Future Plans
Migrate to an Oracle 10g database.Develop HTML/JAVA front-end for data sharing across departments.Link with…
•The Traffic Crash database• ADT database• Surveillance Cameras
Provide up-to-date signal status information to citizens through the City of Chicago website.
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Once completed the system should facilitate comprehensive traffic analysis
Top Crash Intersections without a traffic signal
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Questions?
Chicago Signal Interconnect
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Contact Information..
Traffic Management Authority - Office of Emergency Management & Communication
120 N Racine, Suite 200
Chicago, IL 60607
David Zavattero
Deputy Director
(312) 743-7372
Abraham Emmanuel
Principal Systems Programmer
(312) 743-7381