Table M: Contributory Factors: Reported accidents1,2 by severity, 2020
Table M: Contributory Factors: Reported accidents1,2 by severity, 2020
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Poor or defective road surface | 0 | 0 | 12 | 1 | 11 | 1 | 23 | 1 |
| Deposit on road (eg oil, mud, chippings) | 0 | 0 | 16 | 2 | 14 | 1 | 30 | 1 |
| Slippery road (due to weather) | 9 | 9 | 80 | 9 | 142 | 10 | 231 | 10 |
| Inadequate/masked signs or road markings | 0 | 0 | 5 | 1 | 8 | 1 | 13 | 1 |
| Defective traffic signals | 0 | 0 | 1 | 0 | 4 | 0 | 5 | 0 |
| Traffic calming (eg road humps, chicanes | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| Temporary road layout (eg contraflow) | 0 | 0 | 1 | 0 | 3 | 0 | 4 | 0 |
| Road layout (eg bend, hill, narrow c-way | 2 | 2 | 18 | 2 | 30 | 2 | 50 | 2 |
| Animal or other object in carriageway | 0 | 0 | 6 | 1 | 18 | 1 | 24 | 1 |
| Sunken,raised or slippery inspection cov | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| Total | 11 | 11 | 127 | 15 | 211 | 16 | 349 | 15 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Tyres illegal, defective or under-inflat | 2 | 2 | 4 | 0 | 6 | 0 | 12 | 1 |
| Defective lights or indicators | 0 | 0 | 1 | 0 | 2 | 0 | 3 | 0 |
| Defective brakes | 0 | 0 | 4 | 0 | 9 | 1 | 13 | 1 |
| Defective steering or suspension | 0 | 0 | 2 | 0 | 4 | 0 | 6 | 0 |
| Overloaded or poorly loaded vehicle/trailer | 1 | 1 | 0 | 0 | 1 | 0 | 2 | 0 |
| Total | 3 | 3 | 11 | 1 | 22 | 2 | 36 | 2 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Disobeyed automatic traffic signal | 0 | 0 | 15 | 2 | 32 | 2 | 47 | 2 |
| Disobeyed Give Way or Stop sign or marki | 1 | 1 | 18 | 2 | 44 | 3 | 63 | 3 |
| Disobeyed double white line | 1 | 1 | 3 | 0 | 1 | 0 | 5 | 0 |
| Disobeyed pedestrian crossing facility | 1 | 1 | 9 | 1 | 9 | 1 | 19 | 1 |
| Illegal turn or direction of travel | 2 | 2 | 13 | 1 | 10 | 1 | 25 | 1 |
| Exceeding speed limit | 12 | 12 | 43 | 5 | 45 | 3 | 100 | 4 |
| Travelling too fast for the conditions | 13 | 13 | 65 | 7 | 74 | 5 | 152 | 7 |
| Following too close | 2 | 2 | 19 | 2 | 66 | 5 | 87 | 4 |
| Vehicle travelling along pavement | 1 | 1 | 1 | 0 | 1 | 0 | 3 | 0 |
| Cyclist entering road from pavement | 1 | 1 | 8 | 1 | 12 | 1 | 21 | 1 |
| Total | 27 | 27 | 178 | 20 | 277 | 20 | 482 | 21 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Junction overshoot | 0 | 0 | 9 | 1 | 16 | 1 | 25 | 1 |
| Junction restart | 0 | 0 | 4 | 0 | 12 | 1 | 16 | 1 |
| Poor turn or manoeuvre | 11 | 11 | 80 | 9 | 133 | 10 | 224 | 10 |
| Failed to signal / misleading signal | 0 | 0 | 6 | 1 | 8 | 1 | 14 | 1 |
| Failed to look properly (D/R) | 31 | 31 | 229 | 26 | 408 | 30 | 668 | 29 |
| Failed to judge other pers path/speed (D | 16 | 16 | 88 | 10 | 164 | 12 | 268 | 12 |
| Too close to cyclist,horse or pedestrian | 2 | 2 | 17 | 2 | 18 | 1 | 37 | 2 |
| Sudden braking | 0 | 0 | 18 | 2 | 37 | 3 | 55 | 2 |
| Swerved | 2 | 2 | 10 | 1 | 19 | 1 | 31 | 1 |
| Loss of control | 20 | 20 | 131 | 15 | 141 | 10 | 292 | 13 |
| Total | 61 | 62 | 467 | 54 | 780 | 58 | 1,308 | 56 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Impaired by alcohol (D/R) | 3 | 3 | 28 | 3 | 48 | 4 | 79 | 3 |
| Impaired by drugs (illicit/medicinal) (D) | 5 | 5 | 17 | 2 | 30 | 2 | 52 | 2 |
| Fatigue | 3 | 3 | 7 | 1 | 15 | 1 | 25 | 1 |
| Uncorrected defective eyesight | 1 | 1 | 4 | 0 | 1 | 0 | 6 | 0 |
| Illness or disability (mental/physic) (D) | 10 | 10 | 21 | 2 | 24 | 2 | 55 | 2 |
| Not display lights at night / in poor visibility | 0 | 0 | 4 | 0 | 2 | 0 | 6 | 0 |
| Cyclist wearing dark clothing at night | 0 | 0 | 4 | 0 | 2 | 0 | 6 | 0 |
| Driver using mobile phone | 1 | 1 | 1 | 0 | 1 | 0 | 3 | 0 |
| Distraction in vehicle | 2 | 2 | 19 | 2 | 14 | 1 | 35 | 2 |
| Distraction outside vehicle | 0 | 0 | 4 | 0 | 5 | 0 | 9 | 0 |
| Total | 21 | 21 | 97 | 11 | 139 | 10 | 257 | 11 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Aggressive driving | 4 | 4 | 16 | 2 | 22 | 2 | 42 | 2 |
| Careless / reckless /in a hurry (D/R) | 13 | 13 | 78 | 9 | 106 | 8 | 197 | 8 |
| Nervous / uncertain / panic | 2 | 2 | 5 | 1 | 4 | 0 | 11 | 0 |
| Driving too slow for condits / slow vehicle | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Inexperienced or learner driver/rider | 0 | 0 | 19 | 2 | 12 | 1 | 31 | 1 |
| Inexperience of driving on the left | 2 | 2 | 0 | 0 | 2 | 0 | 4 | 0 |
| Inexperience with type of vehicle | 0 | 0 | 3 | 0 | 3 | 0 | 6 | 0 |
| Total | 19 | 19 | 112 | 13 | 142 | 10 | 273 | 12 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Stationary or parked vehicle | 1 | 1 | 18 | 2 | 26 | 2 | 45 | 2 |
| Vegetation | 0 | 0 | 1 | 0 | 3 | 0 | 4 | 0 |
| Road layout (eg bend, winding rd, hill c | 2 | 2 | 5 | 1 | 4 | 0 | 11 | 0 |
| Buildings, road signs, street furniture | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Dazzling headlights | 2 | 2 | 3 | 0 | 3 | 0 | 8 | 0 |
| Dazzling sun | 4 | 4 | 16 | 2 | 31 | 2 | 51 | 2 |
| Rain, sleet, snow or fog | 3 | 3 | 15 | 2 | 26 | 2 | 44 | 2 |
| Spray from other vehicles | 0 | 0 | 1 | 0 | 4 | 0 | 5 | 0 |
| Visor/windscreen dirty/scratched/frosted | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 0 |
| Vehicle blind spot | 1 | 1 | 6 | 1 | 7 | 1 | 14 | 1 |
| Total | 12 | 12 | 63 | 7 | 93 | 7 | 168 | 7 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Crossed road masked by stationary/parked | 1 | 1 | 19 | 2 | 18 | 1 | 38 | 2 |
| Pedestrian failed to look properly | 9 | 9 | 84 | 10 | 85 | 6 | 178 | 8 |
| Ped. failed to judge vehicles path or sp | 4 | 4 | 18 | 2 | 18 | 1 | 40 | 2 |
| Wrong use of pedestrian crossing facility | 0 | 0 | 11 | 1 | 2 | 0 | 13 | 1 |
| Dangerous action in carriageway (eg play | 3 | 3 | 11 | 1 | 10 | 1 | 24 | 1 |
| Pedestrian impaired by alcohol | 3 | 3 | 18 | 2 | 16 | 1 | 37 | 2 |
| Ped. impaired by drugs (illicit/medicinal) | 3 | 3 | 4 | 0 | 7 | 1 | 14 | 1 |
| Ped. careless / reckless /in a hurry | 3 | 3 | 18 | 2 | 11 | 1 | 32 | 1 |
| Pedestrian wearing dark clothing at night | 8 | 8 | 11 | 1 | 4 | 0 | 23 | 1 |
| Ped. disability or illness, mental/physical | 2 | 2 | 7 | 1 | 2 | 0 | 11 | 0 |
| Total | 23 | 23 | 140 | 16 | 138 | 10 | 301 | 13 |
| Fatal | Serious6 | Slight6 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Percent3 | Number | Percent3 | Number | Percent3 | Number | Percent3 | |
| Stolen vehicle | 0 | 0 | 3 | 0 | 4 | 0 | 7 | 0 |
| Vehicle in course of crime | 0 | 0 | 8 | 1 | 11 | 1 | 19 | 1 |
| Emergency vehicle on call | 0 | 0 | 4 | 0 | 11 | 1 | 15 | 1 |
| Vehicle door opened or closed negligently | 0 | 0 | 3 | 0 | 2 | 0 | 5 | 0 |
| Other | 1 | 1 | 24 | 3 | 21 | 2 | 46 | 2 |
| Total | 1 | 1 | 42 | 5 | 46 | 3 | 89 | 4 |
| Fatal | Serious6 | Slight6 | All accidents | |
|---|---|---|---|---|
| Total reported accidents1 | 99 | 870 | 1,355 | 2,324 |
| Number of Contributory Factors 5 | 230 | 1513 | 2193 | 3936 |
| Average number of CFs per accident 1,5 | 2.3 | 1.7 | 1.6 | 1.7 |
1 Includes only accidents where a police officer attended the scene.
2 Includes only one count of a CF per accident.
3 Columns won't sum to 100 Percent as accidents can have more than one CF.
4 Accidents with more than one CF in a category are only counted once in the category total.
5 Includes all contributory factors e.g. if two cars are involved in the same accident and both are exceeding the speed limit this would count as 2 CFs.
6 Due to changes in the the way casualty severities are recorded, figures for serious/slight casualties in 2019 are not comparable with previous years.
| Fatal | Serious 5 | Slight 5 | All accidents | |||||
|---|---|---|---|---|---|---|---|---|
| Number | Per cent3 | Number | Per cent3 | Number | Per cent3 | Number | Per cent3 | |
| Road environment contributed | 11 | 6 | 127 | 10 | 211 | 11 | 349 | 11 |
| Vehicle defects | 3 | 2 | 11 | 1 | 22 | 1 | 36 | 1 |
| Injudicious action (D/R) | 27 | 15 | 178 | 14 | 277 | 15 | 482 | 15 |
| Driver/rider error/reaction | 61 | 34 | 467 | 38 | 780 | 42 | 1,308 | 40 |
| Impairment or distraction (D/R) | 21 | 12 | 97 | 8 | 139 | 8 | 257 | 8 |
| Behaviour or inexperience (D/R) | 19 | 11 | 112 | 9 | 142 | 8 | 273 | 8 |
| Vision affected | 12 | 7 | 63 | 5 | 93 | 5 | 168 | 5 |
| Pedestrian only | 23 | 13 | 140 | 11 | 138 | 7 | 301 | 9 |
| Special codes | 1 | 1 | 42 | 3 | 46 | 2 | 89 | 3 |
| Total reported accidents1 | 178 | 100% | 1,237 | 100% | 1,848 | 100% | 3,263 | 100% |
| Number of Contributory Factors4 | 230 | 1,513 | 2,193 | 3,936 | ||||
| Average number of CFs per accident1,2 | 1.3 | 1.2 | 1.2 | 1.2 | ||||
1 Includes only accidents where a police officer attended the scene and in which a contributory factor was reported
2 Accidents with more than one CF in a category are only counted once in the category total.
3 Columns won't sum to 100 per cent as accidents can have more than one CF
4 Includes all contributory factors eg if two cars are involved in the same accident and both are exceeding the speed limit this would count as 2 CFs.
5 Due to changes in the the way casualty severities are recorded, figures for serious/slight casualties in 2019 are not comparable with previous years.
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