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Traffic Control Center Award

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Traffic Control Center Award

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Traffic Control Center Award

  1. 1. College Station City Council – August 24, 2017 Troy Rother City Traffic Engineer
  2. 2.  12 Traffic Division Staff ◦ 3 engineers ◦ 1 superintendent ◦ 1 signal foremen ◦ 3 signal technicians ◦ 1 sign foreman ◦ 3 signs technicians  Equipment ◦ 79 Traffic Signals ◦ 60 School Zone Flashers ◦ 59 Vehicle Detection Cameras ◦ 52 Pan Tilt Zoom Cameras
  3. 3.  Game Day Coordination
  4. 4.  Game Day Coordination Downtown Houston • 150,000 workers • 7 Freeways Downtown Dallas • 145,000 workers • 6 Freeways Downtown Austin • 125,000 workers • 4 Freeways
  5. 5. Downtown Houston • 150,000 workers • 7 Freeways Downtown Dallas • 145,000 workers • 6 Freeways Downtown Austin • 125,000 workers • 4 Freeways Kyle Field Gameday • 120,000+ fans • 0 Freeways
  6. 6. Downtown Houston • 150,000 workers • 7 Freeways Downtown Dallas • 145,000 workers • 6 Freeways Downtown Austin • 125,000 workers • 4 Freeways Kyle Field Gameday • 120,000+ fans • 0 Freeways 4th Largest Downtown in Texas
  7. 7.  Signal Performance Measures Wait time Number of Calls Date Range
  8. 8.  Signal Performance Measures Wait time Number of Calls
  9. 9. College Station City Council – August 24, 2017 Troy Rother City Traffic Engineer
  10. 10.  Game Day Coordination
  11. 11.  Game Day Coordination 4th Largest Downtown in Texas
  12. 12.  Signal Performance Measures
  13. 13.  Signal Performance Measures
  14. 14.  City of College Station ◦ 104,000 residents  City of Bryan ◦ 81,000 residents  Blinn College ◦ 11,000 students  Texas A&M University ◦ 60,000 students ◦ 102,733 person stadium (Kyle Field) ◦ 800 TTI employees With 75,000 people: Campus is the 4th Largest Downtown in Texas!!!
  15. 15. Before  20 + Years Old Technology
  16. 16. Before  20 + Years Old Technology  Parts only available on eBay
  17. 17. Before August 2015
  18. 18. ITS Implementation Traffic Control Center
  19. 19. ITS Implementation TACTICS 3.0.1 central system
  20. 20. ITS Implementation 52 pan-tilt-zoom camera streams (Sony)
  21. 21. ITS Implementation 59 video detection camera streams
  22. 22. ITS Implementation 48 Blue Tooth Readers
  23. 23. ITS Implementation Open Source ATSPM Software
  24. 24.  Increases usefulness of other tools ◦ Approach Volumes – data for modeling  Resolve operational issues quickly ◦ Train Preemption – citizen request response ◦ Split Monitor – green time allocation ◦ Coordination Diagram – offset adjustments  Selling safety improvements ◦ Pedestrian Delay – policy recommendations  Effects of Planned and Unplanned Events
  25. 25. Peak Hour Volumes
  26. 26. 7 AM 7 PMMaybe these two trains? Citizen: Why was traffic so bad at 11:30 when I tried to go to lunch?!?!
  27. 27. MaxOuts GapOuts Track Clearance Green 7 AM 7 PM
  28. 28. MaxOuts 7 AM 7 PM 54 % MaxOuts
  29. 29. GapOuts 7 AM 7 PM 36 % GapOuts
  30. 30. Phase MaxOuts Avg. Split Programmed Max Split Timing Change SB-Left - 1 10 % 2 40 % RR-Left - 3 55 % 4 30 % NB-Left - 5 5 % 6 40 % 7 10 % RR-Thru - 8 60 %
  31. 31. Phase MaxOuts Avg. Split Programmed Max Split Timing Change SB-Left - 1 10 % 2 40 % RR-Left - 3 55 % 4 30 % NB-Left - 5 5 % 6 40 % 7 10 % RR-Thru - 8 60 %
  32. 32. Phase MaxOuts Avg. Split Programmed Max Split Timing Change SB-Left - 1 10 % 2 40 % RR-Left - 3 55 % 4 30 % NB-Left - 5 5 % 6 40 % 7 10 % RR-Thru - 8 60 %
  33. 33. Phase MaxOuts Avg. Split Programmed Max Split Timing Change SB-Left - 1 10 % 30 sec 38 sec 2 40 % 65 sec 78 sec RR-Left - 3 55 % 25 sec 28 sec 4 30 % 35 sec 42 sec NB-Left - 5 5 % 25 sec 48 sec 6 40 % 70 sec 78 sec 7 10 % 20 sec 28 sec RR-Thru - 8 60 % 45 sec 42 sec
  34. 34. MaxOuts 7 AM 7 PM 54 % MaxOuts 11/14
  35. 35. MaxOuts 7 AM 7 PM 37 % MaxOuts 11/21
  36. 36. Phase 11/14 MaxOuts Timing Change 11/21 MaxOuts Outcome SB-Left - 1 10 % - 10 sec 25 % - 15 % 2 40 % 45 % RR-Left - 3 55 % + 10 sec 40 % + 15 % 4 30 % 30 % NB-Left - 5 5 % - 10 sec 10 % - 5 % 6 40 % 40 % 7 10 % 15 % RR-Thru - 8 60 % + 10 sec 50 % + 10 % P.S. This change only consumed 30 minutes of staff time.
  37. 37. Start of Green End of Green Dots Represent Arrival of Vehicles at the intersection
  38. 38. 6 to 7 lane roadway with a lot of people driving Existing Conditions
  39. 39.  University Drive through Northgate is now a downtown street. Wait time Number of Calls Date Range
  40. 40.  University Drive through Northgate is now a downtown street. 7 AM Midnight Between 7 am and midnight 87 % of the cycles had a pedestrian call.
  41. 41. This was at 9:20 am There are 37 people walking in this image.
  42. 42.  Implement pedestrian only phase. ◦ Requires No Right-Turn on Red.
  43. 43.  Implement pedestrian only phase. ◦ Requires No Right-Turn on Red.  Implement protected only left turns. ◦ For University Drive.
  44. 44.  Implement pedestrian only phase. ◦ Requires No Right-Turn on Red.  Implement protected only left turns. ◦ For University Drive.  Benefit: ◦ A potential 73 % reduction in expected number of crashes.
  45. 45.  Implement pedestrian only phase. ◦ Requires No Right-Turn on Red.  Implement protected only left turns. ◦ For University Drive.  Benefit: ◦ A potential 73 % reduction in expected number of crashes.  Cost: ◦ Increased travel time. ◦ From 1 to 3 minutes to 2 to 4 minutes.
  46. 46.  City of College Station ◦ 104,000 residents  City of Bryan ◦ 81,000 residents  Blinn College ◦ 11,000 students  Texas A&M University ◦ 60,000 students ◦ 102,733 person stadium (Kyle Field) ◦ 800 TTI employees Brazos County

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