Title page
Contents
Background 5
Summary 7
Crash Site 7
Pre-Crash 8
Crash 8
Post-Crash 8
2021 Hyundai Elantra 10
Description 10
Exterior Damage 10
Event Data Recorder 11
Interior Damage 12
Manual Restraint Systems 12
Supplemental Restraint Systems 13
Driver Seat Belt and Retractor Pretensioner 13
2020 Hyundai Elantra Occupants 20
Driver Demographics 20
Driver Injuries 20
Driver Kinematics 20
Front-Row Right Passenger Demographics 21
Front-Row Right Passenger Injuries 21
Front-Row Right Passenger Kinematics 21
Second-Row Left Passenger Demographics 22
Second-Row Left Passenger Injuries 22
Second-Row Left Passenger Kinematics 22
Second-Row Right Passenger Demographics 23
Second-Row Right Passenger Injury 23
Second-Row Right Passenger Kinematics 23
2018 Honda Ridgeline 24
Description 24
Exterior Damage 25
Event Data Recorder 25
Occupant Data 26
2018 Chevrolet Cruze 28
Description 28
Exterior Damage 28
Crash Diagram 29
Appendix A: 2020 Hyundai Elantra Event Data Recorder Report 30
Appendix B: 2018 Honda Ridgeline Event Data Recorder Repor 60
Table 1. Pre-Crash Data for V1 and V2 8
Table 2. Actuation/Deployment Times for V1 12
Table 3. V2 Pre-crash Data 26
Figure 1. Right front oblique view of the Hyundai 5
Figure 2. Front view of the Honda 5
Figure 3. Crash scene eastbound 7
Figure 4. Crash scene westbound, V2 at POI 7
Figure 5. Front view of the 2021 Hyundai Elantra during the SCI vehicle inspection 10
Figure 6. Right oblique view of the Hyundai's frontal damage 11
Figure 7. Image of the Hyundai driver's seat belt and transfer to the webbing 13
Figure 8. Holed left B-pillar 14
Figure 9. LF pretensioner gas generator and shrapnel removed from left-rear passenger's leg 14
Figure 10. Removed driver's retractor pretensioner 15
Figure 11. Comparison view driver's retractor and an exemplar (right) 15
Figure 12. Tube top exterior peen marking 16
Figure 13. Tube bottom exterior peen marking 16
Figure 14. Top view of gas generator 17
Figure 15. Bottom view of gas generator 17
Figure 16. Interior top (no peening markings) 18
Figure 17. Interior bottom (peening mark visible) 18
Figure 18. Exemplar pretensioner (left) and damaged pretensioner (right), note the recoiled tube 19
Figure 19. Damaged tube of the removed retractor pretensioner 19
Figure 20. Right front view of the Honda 24
Figure 21. Overhead view of the Honda's overlapping frontal damage 24