Jedna od glavnih točaka koje treba razmotriti pri analizi sudara vozila-pješaka je brzina udara vozila. Ako se prometna nesreća ne zabilježi na kameri, a nema tragova klizanja ili tahografa u vozilu, parametar se određuje na temelju empirijskih modela. Svi empirijski modeli za utvrđivanje brzine vozila temelje se na udaljenosti odbačaja pješaka, što nije uvijek poznato zbog neidentificirane točke sudara vozila-pješaka ili konačnog položaja mirovanja pješaka nakon sudara. U ovom radu je deskpriptivni opis oštećenja vozila pretočen u ordinalnu skalu i određen je model predviđanja udaljenosti pješaka na osnovu ovako definiranih oštećenja na vozilu. Ako je mjesto nesreće dokumentirano fotografijama, šteta se može klasificirati, a primjenom validiranog modela predviđena je i udaljenost odbačaja pješaka. Zatim, primjenom empirijskog modela, može se odrediti brzina vozila u trenutku sudara s pješacima. Tijekom istraživanja formirane su dvije baze podataka. Prvi se temelji na stvarnim prometnim nesrećama (stručno veštačenje profesora s Fakulteta tehničkih nauka). Drugi se temelji na simulacijama prometnih nezgoda u sklopu programskog paketa PC Crash.
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