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MISSISSIPPI DOTI-55 SPLIT DIAMOND INTERCHANGE SMART WORK ZONE SYSTEM AND     PERFORMANCE MEASURES
Smart Work Zone Systems (SWZS), utilize computers, communication systems and other ITS field devices to inform motorists, ...
MDOT Goals for SWZS 1. Safety    a. Alert Drivers to slow or stopped traffic    b. Clear accidents more quickly 2. Reduce ...
Vicinity Map
33,000                        47,000              71,000                       20,000                                 Annu...
Project Background 1. Funding Mechanism 2. MDOT SWZS Philosophy 3. Design Procedure 4. Bidding ProcessProject Design
I55 Split-Diamond Interchange Project Minimum Requirements 1. 10 Portable Message Boards 2. 20 Side-Fired Radar Devices 3....
Smart Work Zone System Delivered 1. Contractor Designed 2. 13 miles vs 5 miles req’d 3. 10 Signs Deployed vs 8 req’d 4. No...
ASTI Web Features
SWZS Performance Measures        1. Mobility        2. Safety        3. Traveler Information        4. System PerformanceG...
SWZS Performance Measures      1. Mobility      Rate of Diversion      Travel Times      Delay                  Reduced De...
SWZS Performance Measures      2. Safety      Number of Crashes      Crash Rate      Crash Severity      Citations      Re...
SWZS Performance Measures      3. Traveler Information      Web – Email Alerts      Smart phone apps      511      Message...
SWZS Performance Measures      4. System Performance      Error logs      Missing data      Down time      Web site featur...
Speed, Volume, Occupancy ReportSample Report
Speed Data
Volume Data
Occupancy Data
January 2013 Speed Chart - SB 1st                                      Lane                                               ...
Future Performance Measures 1. Spot Speed Studies 2. Project Diary 3. Crash Report Analysis 4. Continue to develop PM Repo...
QUESTIONS ?   ACEY ROBERTS P.E.      ITS Engineeraroberts@mdot.state.ms.us
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Mississippi DOT Smart Work Zone Systems Performance Measures

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Presentation on the MS DOT Interstate 55 project near Jackson MS and performance measures related to the Smart Work Zone System

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Mississippi DOT Smart Work Zone Systems Performance Measures

  1. 1. MISSISSIPPI DOTI-55 SPLIT DIAMOND INTERCHANGE SMART WORK ZONE SYSTEM AND PERFORMANCE MEASURES
  2. 2. Smart Work Zone Systems (SWZS), utilize computers, communication systems and other ITS field devices to inform motorists, reduce congestion, clear accidents, reduce secondary accidents and make work zones safer for the highway workers and the motorists. www.MDOTTraffic.com www.fhwa.dot.gov/workzonesIntroduction
  3. 3. MDOT Goals for SWZS 1. Safety a. Alert Drivers to slow or stopped traffic b. Clear accidents more quickly 2. Reduce Congestion a. Monitor travel times b. Alert drivers of delays c. Provide information before decision points 3. Evaluate for the FutureGoals
  4. 4. Vicinity Map
  5. 5. 33,000 47,000 71,000 20,000 Annual Average Daily TrafficProject Map
  6. 6. Project Background 1. Funding Mechanism 2. MDOT SWZS Philosophy 3. Design Procedure 4. Bidding ProcessProject Design
  7. 7. I55 Split-Diamond Interchange Project Minimum Requirements 1. 10 Portable Message Boards 2. 20 Side-Fired Radar Devices 3. Typical Sign Messages Provided Normal: “Road Work Ahead, Reduced Speed Ahead” 35mph> “Congestion Ahead, Expect Delays” 5mph > “Slow Traffic Ahead, Expect Long Delays” Stopped: “Stopped Traffic Ahead, Prepare To Stop”Specifications
  8. 8. Smart Work Zone System Delivered 1. Contractor Designed 2. 13 miles vs 5 miles req’d 3. 10 Signs Deployed vs 8 req’d 4. No Devices in the Work Zone 5. Website and Field MonitoringSystem Delivered
  9. 9. ASTI Web Features
  10. 10. SWZS Performance Measures 1. Mobility 2. Safety 3. Traveler Information 4. System PerformanceGoals
  11. 11. SWZS Performance Measures 1. Mobility Rate of Diversion Travel Times Delay Reduced Demand Speeds Incidents in the WZ Work Zone Throughput Maximum Queue LengthsPM Mobility
  12. 12. SWZS Performance Measures 2. Safety Number of Crashes Crash Rate Crash Severity Citations Reduction in aggressive maneuvers (forced merges)PM Safety
  13. 13. SWZS Performance Measures 3. Traveler Information Web – Email Alerts Smart phone apps 511 Message Boards Highway Advisory Radio Survey QuestionsPM Traveler Information
  14. 14. SWZS Performance Measures 4. System Performance Error logs Missing data Down time Web site features Benefits – Users perspectivePM System Performance
  15. 15. Speed, Volume, Occupancy ReportSample Report
  16. 16. Speed Data
  17. 17. Volume Data
  18. 18. Occupancy Data
  19. 19. January 2013 Speed Chart - SB 1st Lane 28-Jan 7:00 21-Jan 14-Jan 7-Jan 56 58 60 62 64PM Report
  20. 20. Future Performance Measures 1. Spot Speed Studies 2. Project Diary 3. Crash Report Analysis 4. Continue to develop PM Reports 5. Integrate info 511 6. Survey QuestionairesITS Installations
  21. 21. QUESTIONS ? ACEY ROBERTS P.E. ITS Engineeraroberts@mdot.state.ms.us

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