Table T

Table T

Contributory factors: ranked1,2, 2020
Rank Contributory Factor reported in each accident Number % "very likely" As a % of all contributory factors1
Very likely Possible Total
1 Failed to look properly (D/R) 570 115 685 83% 17%
2 Failed to judge other pers path/speed (D 206 89 295 70% 7%
3 Loss of control 258 34 292 88% 7%
4 Slippery road (due to weather) 176 66 242 73% 6%
5 Poor turn or manoeuvre 187 41 228 82% 6%
6 Careless / reckless /in a hurry (D/R) 151 48 199 76% 5%
7 Pedestrian failed to look properly 145 34 179 81% 5%
8 Travelling too fast for the conditions 111 49 160 69% 4%
9 Exceeding speed limit 65 37 102 64% 3%
10 Following too close 69 22 91 76% 2%
11 Impaired by alcohol (D/R) 73 6 79 92% 2%
12 Disobeyed Give Way or Stop sign or markings 59 4 63 94% 2%
13 Sudden braking 40 19 59 68% 1%
14 Road layout (eg bend, hill, narrow c-way 35 24 59 59% 1%
15 Illness or disability (mental/physic) (D 39 16 55 71% 1%
16 Dazzling sun 31 23 54 57% 1%
17 Impaired by drugs (illicit/medicinal) (D 37 15 52 71% 1%
18 Disobeyed automatic traffic signal 40 10 50 80% 1%
19 Stationary or parked vehicle 29 19 48 60% 1%
20 Other 43 3 46 93% 1%
21 Rain, sleet, snow or fog 28 16 44 64% 1%
22 Aggressive driving 35 7 42 83% 1%
23 Crossed road masked by stationary/parked 36 4 40 90% 1%
24 Ped. failed to judge vehicles path or sp 28 12 40 70% 1%
25 Too close to cyclist,horse or pedestrian 30 7 37 81% 1%
26 Pedestrian impaired by alcohol 35 2 37 95% 1%
27 Distraction in vehicle 16 19 35 46% 1%
28 Ped. careless / reckless /in a hurry 27 5 32 84% 1%
29 Inexperienced or learner driver/rider 22 9 31 71% 1%
30 Swerved 26 5 31 84% 1%
31 Deposit on road (eg oil, mud, chippings) 22 9 31 71% 1%
32 Animal or other object in carriageway 19 7 26 73% 1%
33 Junction overshoot 20 5 25 80% 1%
34 Illegal turn or direction of travel 25 . 25 100% 1%
35 Fatigue 15 10 25 60% 1%
36 Dangerous action in carriageway (eg play 22 2 24 92% 1%
37 Pedestrian wearing dark clothing at nigh 18 5 23 78% 1%
38 Poor or defective road surface 15 8 23 65% 1%
39 Cyclist entering road from pavement 19 2 21 90% 1%
40 Vehicle in course of crime 19 1 20 95% 1%
41 Disobeyed pedestrian crossing facility 18 1 19 95% 0%
42 Junction restart 12 4 16 75% 0%
43 Emergency vehicle on call 14 1 15 93% 0%
44 Inadequate/masked signs or road markings 8 7 15 53% 0%
45 Ped. impaired by drugs (illicit/medicina 10 4 14 71% 0%
46 Vehicle blind spot 5 9 14 36% 0%
47 Wrong use of pedestrian crossing facilit 12 2 14 86% 0%
48 Failed to signal / misleading signal 7 7 14 50% 0%
49 Defective brakes 7 6 13 54% 0%
50 Tyres illegal, defective or under-inflat 8 4 12 67% 0%
51 Nervous / uncertain / panic 5 6 11 45% 0%
52 Road layout (eg bend, winding rd, hill c 8 3 11 73% 0%
53 Ped. disability or illness, mental/physi 7 4 11 64% 0%
54 Distraction outside vehicle 3 6 9 33% 0%
55 Dazzling headlights 2 6 8 25% 0%
56 Defective traffic signals 4 4 8 50% 0%
57 Stolen vehicle 7 . 7 100% 0%
58 Uncorrected defective eyesight 3 3 6 50% 0%
59 Cyclist wearing dark clothing at night 5 1 6 83% 0%
60 Not display lights at night / in poor vi 5 1 6 83% 0%
61 Inexperience with type of vehicle 4 2 6 67% 0%
62 Defective steering or suspension 3 3 6 50% 0%
63 Vehicle door opened or closed negligentl 5 . 5 100% 0%
64 Spray from other vehicles 1 4 5 20% 0%
65 Disobeyed double white line 4 1 5 80% 0%
66 Vegetation 3 1 4 75% 0%
67 Temporary road layout (eg contraflow) 2 2 4 50% 0%
68 Inexperience of driving on the left 3 1 4 75% 0%
69 Visor/windscreen dirty/scratched/frosted 2 1 3 67% 0%
70 Defective lights or indicators 3 . 3 100% 0%
71 Vehicle travelling along pavement 3 . 3 100% 0%
72 Driver using mobile phone 2 1 3 67% 0%
73 Overloaded or poorly loaded vehicle/trai 2 . 2 100% 0%
74 Driving too slow for condits / slow vehicle . 1 1 0%
75 Traffic calming (eg road humps, chicanes) . 1 1 0%
76 Sunken,raised or slippery inspection cov 1 . 1 100% 0%
77 Buildings, road signs, street furniture 1 . 1 0%
All 3,030 906 3,936 77% 100%

1. Includes only accidents where a police officer attended the scene and in which a contributory factor was reported.

2. Includes all contributory factors reported, even where the same CF is assigned more than once to an accident

(i.e. to more than one particpant). Therefore the total differs from earlier tables.

(D/R) indicates Driver/Rider

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