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Chicago Traffic Signals Database Presented by:  Abraham Emmanuel Traffic Management Authority –  Office of Emergency Manag...
Overview <ul><li>26,000 intersections (Approximately) </li></ul><ul><li>2,800 + signals </li></ul><ul><li>24 Interconnects...
Overview (Cont) <ul><li>Some form of electronic data repository existed since 1996. </li></ul><ul><li>Not up-to-date since...
Challenge <ul><li>No one to one mapping between signals and intersections. </li></ul>Signal A Signal B Signal C Signal A
Separated Signal from the  Geography (intersection) Signal 1 Signal 1A Signal 1B Signal 1C Intersection X Intersection Y I...
Chicago Intersections Linked Signals to City Intersections using Lat/Log   Chicago   Intersections
City of Chicago Signalized Intersections End Product
What data is collected?
A Lot of Information…
Timing & Timing Plans…
Links to Video & Still Images…
Cable & Foundation Plans…
Intersection Details… Maps & Aerial Images…
… And Can Track Work Order.
Technology <ul><li>Microsoft Access front-end interface </li></ul><ul><li>Oracle Express Back End </li></ul><ul><li>ArcVie...
Future Plans <ul><li>Migrate to an Oracle 10g database. </li></ul><ul><li>Develop HTML/JAVA front-end for data sharing acr...
Once completed the system should facilitate comprehensive traffic analysis Top Crash Intersections without a traffic signal
Questions? Chicago Signal Interconnect
Contact Information.. Traffic Management Authority - Office of Emergency Management & Communication   120 N Racine, Suite ...
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Chicago OEMC Signal Inventory

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Awesome view of the Department's work order system in slides 8, 9, and 10.

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Chicago OEMC Signal Inventory

  1. 1. Chicago Traffic Signals Database Presented by: Abraham Emmanuel Traffic Management Authority – Office of Emergency Management and Communication (OEMC) City of Chicago
  2. 2. Overview <ul><li>26,000 intersections (Approximately) </li></ul><ul><li>2,800 + signals </li></ul><ul><li>24 Interconnects (480 signals) </li></ul><ul><li>Three agencies </li></ul><ul><ul><ul><ul><li>Chicago Department of Transportation </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Bureau of Electricity </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Office of Emergency Management – Traffic Management Authority. </li></ul></ul></ul></ul><ul><li>Few Signals maintained by IDOT </li></ul>
  3. 3. Overview (Cont) <ul><li>Some form of electronic data repository existed since 1996. </li></ul><ul><li>Not up-to-date since 2003 </li></ul><ul><li>New system developed in 2006 based on the legacy data. </li></ul>
  4. 4. Challenge <ul><li>No one to one mapping between signals and intersections. </li></ul>Signal A Signal B Signal C Signal A
  5. 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. 6. Chicago Intersections Linked Signals to City Intersections using Lat/Log Chicago Intersections
  7. 7. City of Chicago Signalized Intersections End Product
  8. 8. What data is collected?
  9. 9. A Lot of Information…
  10. 10. Timing & Timing Plans…
  11. 11. Links to Video & Still Images…
  12. 12. Cable & Foundation Plans…
  13. 13. Intersection Details… Maps & Aerial Images…
  14. 14. … And Can Track Work Order.
  15. 15. Technology <ul><li>Microsoft Access front-end interface </li></ul><ul><li>Oracle Express Back End </li></ul><ul><li>ArcView GIS for mapping </li></ul>
  16. 16. Future Plans <ul><li>Migrate to an Oracle 10g database. </li></ul><ul><li>Develop HTML/JAVA front-end for data sharing across departments. </li></ul><ul><li>Link with… </li></ul><ul><ul><ul><li>The Traffic Crash database </li></ul></ul></ul><ul><ul><ul><li>ADT database </li></ul></ul></ul><ul><ul><ul><li>Surveillance Cameras </li></ul></ul></ul><ul><li>Provide up-to-date signal status information to citizens through the City of Chicago website. </li></ul>
  17. 17. Once completed the system should facilitate comprehensive traffic analysis Top Crash Intersections without a traffic signal
  18. 18. Questions? Chicago Signal Interconnect
  19. 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

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