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Arterial ITS in Gwinnett County: Moving Forward

Arterial ITS in Gwinnett County: Moving Forward. 2012 Georgia ITE Summer Seminar. St. Simons Island, GA July 17, 2012. Arterial ITS in Gwinnett County. Topics. Current ITS Capabilities Lessons Learned Current Initiatives Future Objectives Conclusion.

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Arterial ITS in Gwinnett County: Moving Forward

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  1. Arterial ITS in Gwinnett County:Moving Forward 2012 Georgia ITE Summer Seminar St. Simons Island, GA July 17, 2012

  2. Arterial ITS in Gwinnett County Topics • Current ITS Capabilities • Lessons Learned • Current Initiatives • Future Objectives • Conclusion

  3. Arterial ITS in Gwinnett County Introduction • Gwinnett County identified the need to expand it’s ITS capabilities as part of the 2001 Comprehensive Transportation Plan. • Expansion of ITS was seen as a method of improving the safety and efficiency of the County’s road network. • Revenue from SPLOST was designated for ITS projects and the development of a modern Traffic Control Center.

  4. Arterial ITS in Gwinnett County CurrentCapabilities • Peak Period Staffing • & Gwinnett TV • 6:30 to 8:30 • 16:00 to 18:00 • GC Smart Commute Website • Launched in 2010 • Incident & Special Event Monitoring

  5. Arterial ITS in Gwinnett County CurrentCapabilities • Control of Signal Systems • Ethernet via Fiber • Closed Loop via • phone line • Workstations at EOC • and 911

  6. Arterial ITS in Gwinnett County Current Capabilities ITS Coverage Map • Over 180 miles of fiber • Over 140 cameras

  7. Arterial ITS in Gwinnett County Current Capabilities • Traffic Signal Map • 681 as of today • ~380 on Ethernet • ~110 on dial up

  8. Arterial ITS in Gwinnett County Lessons Learned • Involve IT staff early and often • IP address & VLAN conventions that can grow as the ITS expands in area and number of devices. • Division of responsibilities • Layer 2 devices - DOT • Layer 3 switches - IT • Standard formats for splice tables and fiber ring structure. • 8 device maximum per ring (pair of fibers)

  9. Arterial ITS in Gwinnett County Lessons Learned • Camera placement considerations • 100% corridor coverage or critical areas • Corridor or intersection coverage • Size of intersection Pleasant Hill @ Club Dr SR 20 @ Ozora Rd • CCTV pole grounding detail • Separate ground rods in separate pull boxes for lighting, power service and cabinet

  10. Arterial ITS in Gwinnett County Lessons Learned • Field Switch Location for future expansion • Signal cabinet • 2070 • Monitor • BBS • IVDS • CCTV cabinet • Encoder

  11. Arterial ITS in Gwinnett County Lessons Learned • Connector type • ST vs. LC • Hub cabinets • Type F (Double wide) vs. Type C (332) Up to 24 fibers Up to 12 fibers Up to 12 panels

  12. Arterial ITS in Gwinnett County Lessons Learned • Plan for maintenance • Preventative maintenance • Equipment contract • Tree Trimming • Solicit and Listen to input from others • Staff • Other Agencies

  13. Arterial ITS in Gwinnett County Current Initiatives • Continue Peak Period, Incident and Special Event Monitoring Activities • Work with GDOT • on RTOP corridors • SR 141 • SR 140/JCB • US 78/SR 10 • Future?

  14. Arterial ITS in Gwinnett County Current Initiatives • Improve GC Smart Commute / Integration with Navigator for Increased Traveler Information Options • Map Display for Camera Selection • CCTV snapshots • Increase Coordination with other County Departments on Incident Management

  15. Arterial ITS in Gwinnett County Current Initiatives • Wireless vs. Fiber • Ease of installation • Path Study • Bandwidth requirements • Signal Data 900 MHz • Video 5.2 GHz

  16. Arterial ITS in Gwinnett County Current Initiatives • Aerial fiber vs. Underground fiber • Ease of installation • Costs – Boring vs. Make Ready work • Attachment agreements • Time • Video Detection Remote Management • Check & modify detection zones from TCC

  17. Arterial ITS in Gwinnett County Current Initiatives • Expand Ethernet capable cabinet devices • Conflict Monitors • BBS controllers • IP and POE cameras for temporary or work zone applications

  18. Arterial ITS in Gwinnett County Future Objectives (2013-2015) • Complete all ITS Projects Identified in the 2009 County SPLOST program • Remaining Projects • Dacula Rd • Suwanee Dam Rd • US 78 East • Indian Trail Rd • SR 324

  19. Arterial ITS in Gwinnett County Future Objectives (2013-2015) • Expand Monitoring Activities to Include Business Hours • Requires Designated Staff for TCC Operations between 06:00 to 19:00 • Increase Coordination with other Local and State Agencies for Special Events & Incident Response • Identify Additional Options for Providing Traveler Information

  20. Arterial ITS in Gwinnett County Future Objectives (2016+) • Add to Existing Staff for TCC Operations from 06:00 to 19:00. • Monitor all Signals near At Grade Rail Crossings • Consider Options for Emergency & Transit Vehicle Travel Time Improvements • Be in Position to Support a Limited • “Connected Vehicles” Deployment

  21. Arterial ITS in Gwinnett County Conclusions • Gwinnett County identified the need to expand it’s ITS capabilities in 2001. • Significant progress has been made in 11 years. • Additional funding and staff will be necessary to effectively maintain the ITS network and facilitate continued expansion.

  22. Arterial ITS in Gwinnett County Special Thanks goes to… • Gwinnett County Board of Commissioners • Gwinnett County DOT Management • Traffic Signals & ITS Staff • GC Communications & IT Departments • Consultants & Contractors • Georgia Dept. Of Transportation • Gwinnett voters who continue to support the County SPLOST program

  23. Arterial ITS in Gwinnett County • Tom Sever, P.E. • Engineer V – Section Chief • Traffic Signals & ITS Section • tom.sever@gwinnettcounty.com 2012 ACCG Excellence Award Presentation

  24. Questions?

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