Stops and goes of traffic signals

A traffic signal auditor's perspective

Table of contents

1. Preface
2. Introduction
3. Spedialised tasks
   • 3.1 Traffic signal peer reviews
   • 3.2 Intersection control
   • 3.3 Contact details
4. Crashes at traffic signals
   • 4.1 Factors contributing to right-turn-against crashes
   • 4.2 Factors contributing to red light running
   • 4.3 Observations on cyclist crashes
   • 4.4 Observations on pedestrian crashes
5. Intersection and lane layout
   • 5.1 Opposed right turn lanes
   • 5.2 Captive turn lanes
   • 5.3 Slip lanes
6. Signal post and display location
   • 6.1 Post placement and signal conspicuity
   • 6.2 Sufficient stopping and manoeuvring displays
7. Phasing and operational issues
   • 7.1 Right turn and left turn arrow operation
   • 7.2 Turn arrow logic
8. Pedestrian issues
   • 8.1 Pedestrian phase issues
   • 8.2 Push button location
9. Cyclist issues
   • 9.1 Provision for cyclists
10. Conclusions
11. Acknowledgements
12. References