Chicago OEMC Signal Inventory
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The document summarizes Chicago's traffic signals database. It notes that Chicago has over 26,000 intersections and 2,800+ signals that are maintained by three agencies. The database maps signals to specific intersections using latitude and longitude. It collects timing plans, images, and work orders. Future plans include migrating the database to Oracle 10g and linking it to other city databases to share traffic data across departments.
![Contact Information.. Traffic Management Authority - Office of Emergency Management & Communication 120 N Racine, Suite 200 Chicago, IL 60607 David Zavattero Deputy Director [email_address] (312) 743-7372 Abraham Emmanuel Principal Systems Programmer [email_address] (312) 743-7381](https://image.slidesharecdn.com/chicagooemcsignalinventory-090729140345-phpapp01/85/Chicago-OEMC-Signal-Inventory-19-320.jpg)
Chicago OEMC Signal Inventory
- 1. Chicago Traffic Signals Database Presented by: Abraham Emmanuel Traffic Management Authority – Office of Emergency Management and Communication (OEMC) City of Chicago
- 2. 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
- 3. 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.
- 4. Challenge No one to one mapping between signals and intersections. Signal A Signal B Signal C Signal A
- 5. 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
- 6. Chicago Intersections Linked Signals to City Intersections using Lat/Log Chicago Intersections
- 7. City of Chicago Signalized Intersections End Product
- 8. What data is collected?
- 9. A Lot of Information…
- 10. Timing & Timing Plans…
- 11. Links to Video & Still Images…
- 12. Cable & Foundation Plans…
- 13. Intersection Details… Maps & Aerial Images…
- 14. … And Can Track Work Order.
- 15. Technology Microsoft Access front-end interface Oracle Express Back End ArcView GIS for mapping
- 16. 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.
- 17. Once completed the system should facilitate comprehensive traffic analysis Top Crash Intersections without a traffic signal
- 18. Questions? Chicago Signal Interconnect
- 19. Contact Information.. Traffic Management Authority - Office of Emergency Management & Communication 120 N Racine, Suite 200 Chicago, IL 60607 David Zavattero Deputy Director [email_address] (312) 743-7372 Abraham Emmanuel Principal Systems Programmer [email_address] (312) 743-7381