Vehicle contributory factorSeverity of accidentTotal
Fatal Serious Slight
Inadequate or no lights 0 4 11 15
Tyre blown out before impact 0 5 15 20
Defective body work 0 4 13 17
Defective steering 1 2 6 9
Defective brake 3 17 40 60
Defective lights: front 0 0 2 2
Defective lights: rear 0 0 1 1
Defective lights: brake 0 0 1 1
Defective lights: indicator 0 0 0 0
Defective vision: glass 0 0 1 1
Defective vision: windscreen wiper 0 0 1 1
Defective vision: rear view mirror 0 0 0 0
Defective suspension: front or rear 1 2 3 6
Defective load: insecure 0 1 12 13
Defective load: apparent overload 0 3 4 7
Defective load: dangerous projection 0 1 2 3
Defective or illegal tyre 1 7 14 22
Broken down with hazard warning lights unlit 0 1 5 6
Vehicle not attended by driver rolling down 1 0 6 7
Unidentified vehicle (hit-and-run) 0 16 39 55
Other vehicle factor 9 111 524 644