1. Office of Highway Safety Dolan Springs, Arizona Bus Loss of Control and Rollover January 30, 2009

2. 2 Introduction Sequence of events Safety issues Investigative/support staff Parties to investigation Introduction of presentations

3. 3 Accident Trip Begin Grand Canyon Accident

4. 4 Accident Description Source:Utah Highway Patrol Right Shoulder

5. 5 Accident Description Source:Utah Highway Patrol Path of Travel Overturn Area Final Rest Area

6. 6 Accident Description

7. 7 Injuries 7 passengers killed 9 passengers injured Driver injured

8. 8 Safety Issues Regulatory definitions and regulation classification of buses Retention and protection of passengers during rollovers Failure of bus driver to maintain control Vehicle control technology Event data recorders

9. 9 On-Scene Investigative Staff Jim LeBerteMotor Carrier Ron KaminskiSurvival Factors Dennis CollinsHuman Performance Larry Yohe (ret)Vehicle Factors Dave RayburnHighway Factors Chris VoeglieEvent Data Recorders Pete KotowskiInvestigator-In-Charge

10. 10 Report Development Staff Jennifer MorrisonVehicle Factors Kristin Poland Vehicle Performance Bruce Coury (ret)Statistical Analysis Shane LackComputer Simulation Debbie Stocker Report Editor Julie PerrotSafety Recommendations Avis Clark Audio/Visual Rafael MarshallProject Manager

11. 11 Parties to Investigation Federal Motor Carrier Safety Administration Arizona Department of Public Safety DW Tour and Charter Starcraft Bus General Motors

12. 12 Presentations Bus DefinitionsRafael Marshall Vehicle CrashworthinessRon Kaminski Occupant Protection Human Performance/ Dennis Collins Lane Departure Warning Systems Stability Control SystemsShane Lack Electronic Data RecordersChris Voeglie

13. 13