| Min cut sets | Events |
| X1, X11 | Misjudging speed/gap, No evasive action |
| X27, X35 | Disregarding traffic sign/signal, No evasive action |
| X1, X12 | Misjudging speed/gap, Evasive action failed |
| X25, X35 | Excessive speeding, No evasive action |
| X37, X42 | Alcohol impairment, No evasive action |
| X5, X7, X11 | Vision obscured by roadside objects, Inadequate lookout, No evasive action |
| X3, X7, X11 | Vision obscured by poor weather, Inadequate lookout, No evasive action |
| X4, X7, X11 | Vision obscured by other vehicles, Inadequate lookout, No evasive action |
| X34, X35 | Mental distraction, No evasive action |
| X38, X42 | Fatigue impairment, No evasive action |
| X39, X42 | Illness, No evasive action |
| X16, X19, X23 | Poor layout, Inexperience, No evasive action |
| X25, X36 | Excessive speeding, Evasive action failed |