1. Is Amber the new Green, whats happening at our traffic signals and do we really care? Andrew McDougall (GAF Traffic)

2. Survey locations 3. Survey video shots 4. Survey video shots (light change) 5. Survey video shots (amber light runner) 6. Road Traffic Code 2000 (abridged) Stopping for circular yellow signal 1) When the yellow light is illuminated, the driver shall not proceed beyond the stop line, unless the driver is so close to the stop line that it is unsafe to do so. 2) If the driver cannot stop in accordance with the above, the driver shall stop before entering the intersection, if safe to do so. 3) If the driver cannot adhere to the above two, then the driver shall leave the intersection as soon as it is safe to do so. 7. Data categories Amber (immediate) < 2 seconds Amber (delayed) > 2 seconds Red 8. Survey results 32 28 38 40 47 101 49 84 102 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Manning Road / Welwyn Avenue Angelo Street / Coode Street Labouchere Road / South Terrace Mill Point Road / Douglas Avenue Berwick Street / George Street / McMillan Street Canning Highway / Berwick Street Canning Highway / Way Road Manning Road / Lawson Street Manning Road / Centenary Avenue Percentage of Amber and Red Light Runners General Amber (Immediate) Amber (Delayed) Red 9. Statistical relevance 10. Influential factors 1. Traffic volumes 2. Fully signalised / partially or filtered 3. Congestion level 4. Layout type 11. Intersection control Signal Signal/Filter Filter Split 12. Intersection control Signal Signal/Filter Filter Split 13. Intersection control Signal Signal/Filter Filter Split 14. Intersection control Signal Signal/Filter Filter Split 15. Intersection enforcement 16. Amber light running Total Crashes Relationship 17. Relationship Amber light running Total Crashes Increased Delay 18. Crash cost comparison Category Human Capital Willingness to Pay Percentage Change Property Damage $9,136 $11,330 +24% Medical $34,743 $74,991 +116% Hospital $594,505 $292,766 -51% Fatal $2,623,467 $6,898,492 +163% *Excerpt from Table 14 of Reported Road Crashes in Western Australia 2012 19. 32 28 38 40 47 101 49 84 102 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Manning Road / Welwyn Avenue Angelo Street / Coode Street Labouchere Road / South Terrace Mill Point Road / Douglas Avenue Berwick Street / George Street / McMillan Street Canning Highway / Berwick Street Canning Highway / Way Road Manning Road / Lawson Street Manning Road / Centenary Avenue Percentage of Amber and Red Light Runners General Amber (Immediate) Amber (Delayed) Red 20. Do Nothing? 21. Do Nothing? 22. What can be done? Enforcement Education Engineering 23. Enforcement 24. Enforcement 25. Education 26. Road Traffic Code 2000 (abridged) Stopping for circular yellow signal 1) When the yellow light is illuminated, the driver shall not proceed beyond the stop line, unless the driver is so close to the stop line that it is unsafe to do so. 2) If the driver cannot stop in accordance with the above, the driver shall stop before entering the intersection, if safe to do so. 3) If the driver cannot adhere to the above two, then the driver shall leave the intersection as soon as it is safe to do so. 27. Education 28. Education 29. Engineering 30. Combined approach Enforcement EngineeringEducation 31. Thank you Andrew McDougall GAF Traffic www.gaftraffic.com.au amcdougall@gaftraffic.com.au