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LOW COST SAFETY IMPROVEMENTS

LOW COST SAFETY IMPROVEMENTS. Practitioner Workshop Innovative Low Cost Safety Improvements – Session #12. Innovative Low Cost Safety Improvements. Learning Outcomes: Present new and innovative low cost safety improvements developed by states and local engineers. Experimental.

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LOW COST SAFETY IMPROVEMENTS

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  1. LOW COST SAFETY IMPROVEMENTS Practitioner Workshop Innovative Low Cost Safety Improvements– Session #12

  2. Innovative Low Cost Safety Improvements Learning Outcomes: • Present new and innovative low cost safety improvements developed by states and local engineers Experimental

  3. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri Sight Distance is Adequate – Right Angle Crash Problem

  4. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri View from Side Road Approach

  5. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri Volumes much less than Signal Warrants- What Countermeasures would you Recommend?

  6. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri Experimental At-Grade Intersection of Divided Highway – US 61 between Wentzville and Troy *NCHRP 500, Strategy 17.1 H

  7. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri Experimental Detection on Side Road Approach “triggers” Display of Warning Message of “CROSSING TRAFFIC AHEAD”

  8. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri Experimental When no vehicle on Side Road Approach – YOUR SPEED message is displayed from radar unit on PCMS *NCHRP 500, Strategy 17.1 H

  9. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri Experimental Detection on Side Road Approach “triggers” Display of Warning Message of “CROSSING TRAFFIC AHEAD”

  10. Innovative Low Cost Safety Improvements Innovative #1: At-Grade Intersection on Divided Highway - Missouri Experimental Value is in Alerting Drivers “Thru” divided highway of “Crossing Traffic” in Intersection

  11. Innovative Low Cost Safety Improvements Innovative #2: Transverse Markings in Advance of Curve Experimental Advisory Speed Marking -6% in Speed Transverse bars

  12. Innovative Low Cost Safety Improvements Innovative #3:Spacing “dots” on Pennsylvania Turnpike Experimental -60% in Rear-End Crashes on Main Line

  13. Innovative Low Cost Safety Improvements Innovative #5: Addition of Inside Acceleration Lane on Divided Hwy US50 at Tyson’s Chicken* Median Inside Acceleration Lane on Divided At-Grade Intersection *NCHRP 500, Strategy 17.1 B5

  14. Innovative Low Cost Safety Improvements Innovative #5: Addition of Inside Acceleration Lane on Divided Hwy Inside Acceleration Lane US50 at Tyson’s Chicken* Median Inside Acceleration Lane on Divided At-Grade Intersection Experimental

  15. Innovative Low Cost Safety Improvements Innovative #5: Addition of Inside Acceleration Lane on Divided Hwy Inside Acceleration Lane Median Inside Acceleration Lane on Divided At-Grade Intersection Experimental

  16. Innovative Low Cost Safety Improvements Innovative #5: Addition of Right Turn Lane on Divided Hwy Tried Right Turn Lane on Divided At-Grade Intersection *NCHRP 500, Strategy 17.1 B6

  17. Innovative Low Cost Safety Improvements Innovative #6: Activated Flasher in Advance of Horizontal Sight Restriction Dynamic Activated Flasher to Message Tried

  18. Innovative Low Cost Safety Improvements Innovative #6: Activated Flasher in Advance of Horizontal Sight Restriction Detector on Approach is used to Activate Flasher

  19. Innovative Low Cost Safety Improvements Innovative #6: Closure of Median and Right Turn Only Restriction Median Closed and turns restricted to Right-Only *NCHRP 500, Strategy 17.1 B13 – Close or Relocate “High-Risk” Intersections

  20. Innovative Low Cost Safety Improvements Innovative #6: Activated Flasher in Advance of Horizontal Sight Restriction Driver’s View of Northbound US54

  21. Innovative Low Cost Safety Improvements Innovative #6: Activated Flasher in Advance of Horizontal Sight Restriction Northbound US54 Approaching Side Road

  22. Innovative Low Cost Safety Improvements Innovative #6: Activated Flasher in Advance of Horizontal Sight Restriction Northbound US54 Approaching Side Road

  23. Innovative Low Cost Safety Improvements Innovative #7: Activated Flasher facing Side Road for Sight Restriction Sight Restriction Divided Highway (HWY 350) Intersection in Kansas City with Sight Distance Restriction – Flasher for Side Road Traffic Experimental

  24. Innovative Low Cost Safety Improvements Innovative #7: Activated Flasher facing Side Road for Sight Restriction Sight Restriction Divided Highway (HWY 350) Intersection in Kansas City with Sight Distance Restriction – Flasher for Side Road Traffic Experimental

  25. Innovative Low Cost Safety Improvements Innovative #7: Activated Flasher facing Side Road for Sight Restriction -50% all Crashes -75% Fatalities Divided Highway (HWY 350) Intersection in Kansas City with Sight Distance Restriction – Flasher for Side Road Traffic Experimental

  26. Innovative Low Cost Safety Improvements Innovative #7: Activated Flasher facing Side Road for Sight Restriction Divided Highway (HWY 350) Intersection in Kansas City with Sight Distance Restriction – Flasher for Side Road Traffic Experimental

  27. Innovative Low Cost Safety Improvements Innovative #8:Activated “Yield on Green” CMS for Permissive Left Turn Phase -22% Experimental

  28. Innovative Low Cost Safety Improvements Innovative #9:CMS for dynamic speed limit on approach to major college pedestrian crossing Marist College Campus Crossing of 4-lane Divided Arterial Highway Experimental

  29. Innovative Low Cost Safety Improvements Innovative #9:CMS for dynamic speed limit on approach to major college pedestrian crossing Regulatory Speed Limit of 40 mph is reduced to 30 mph when pedestrians are detected at Crossing Experimental

  30. Innovative Low Cost Safety Improvements Innovative #9:CMS for dynamic speed limit on approach to major college pedestrian crossing Experimental

  31. Innovative Low Cost Safety Improvements Innovative #10:Passive Detection Activated Flasher Pedestrian Crossing – Chicago Ave at Ellsworth St Ultrasound Detector at Crosswalk

  32. Innovative Low Cost Safety Improvements Innovative #10:Passive Detection Activated Flasher Pedestrian Crossing – Chicago Ave at Ellsworth St

  33. Innovative Low Cost Safety Improvements Innovative #11: “Your Speed” Display with flashing strobe light on speed restricted approach to traffic signal

  34. Innovative Low Cost Safety Improvements Questions?

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