Table S: Contributory factors: Casualties in reported collisions - seriously injured1, 2023
Table S: Contributory factors: Casualties in reported collisions - seriously injured1, 2023
| Person who was seriously injured | as a % of all seriously injured casualties | ||||||
|---|---|---|---|---|---|---|---|
| Pedestrian | pedalcyclist | motorcyclist | Car/taxi user | Other | All | ||
| Road environment contributed | |||||||
| Poor or defective road surface | 2 | 2 | 5 | 6 | 0 | 15 | 1 |
| Deposit on road (eg oil, mud, chippings) | 0 | 0 | 9 | 8 | 2 | 19 | 1 |
| Slippery road (due to weather) | 3 | 5 | 14 | 72 | 7 | 101 | 6 |
| Inadequate/masked signs or road markings | 0 | 0 | 2 | 3 | 0 | 5 | 0 |
| Defective traffic signals | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| Traffic calming (eg road humps, chicanes | 0 | 0 | 0 | 3 | 0 | 3 | 0 |
| Temporary road layout (eg contraflow) | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| Road layout (eg bend, hill, narrow c-way | 5 | 4 | 10 | 11 | 2 | 32 | 2 |
| Animal or other object in carriageway | 2 | 2 | 6 | 12 | 2 | 24 | 1 |
| Sunken,raised or slippery inspection cover | 0 | 0 | 1 | 2 | 0 | 3 | 0 |
| Vehicle defects | |||||||
| Tyres illegal, defective or under-inflated | 0 | 0 | 0 | 12 | 0 | 12 | 1 |
| Defective lights or indicators | 1 | 1 | 1 | 1 | 0 | 4 | 0 |
| Defective brakes | 1 | 0 | 2 | 3 | 3 | 9 | 1 |
| Defective steering or suspension | 0 | 1 | 0 | 0 | 1 | 2 | 0 |
| Overloaded or poorly loaded vehicle/trailer | 0 | 0 | 0 | 2 | 0 | 2 | 0 |
| Injudicious action (driver/rider) | |||||||
| Disobeyed automatic traffic signal | 0 | 2 | 5 | 7 | 0 | 14 | 1 |
| Disobeyed Give Way or Stop sign or markings | 0 | 5 | 7 | 38 | 3 | 53 | 3 |
| Disobeyed double white line | 0 | 0 | 2 | 6 | 0 | 8 | 0 |
| Disobeyed pedestrian crossing facility | 6 | 0 | 0 | 0 | 1 | 7 | 0 |
| Illegal turn or direction of travel | 3 | 1 | 2 | 14 | 0 | 20 | 1 |
| Exceeding speed limit | 3 | 0 | 22 | 76 | 4 | 105 | 6 |
| Travelling too fast for the conditions | 3 | 2 | 6 | 63 | 7 | 81 | 5 |
| Following too close | 0 | 2 | 5 | 17 | 2 | 26 | 2 |
| Vehicle travelling along pavement | 5 | 0 | 3 | 0 | 1 | 9 | 1 |
| Cyclist entering road from pavement | 0 | 2 | 0 | 0 | 0 | 2 | 0 |
| Driver/rider error or reaction | |||||||
| Junction overshoot | 1 | 2 | 4 | 14 | 1 | 22 | 1 |
| Junction restart | 4 | 0 | 1 | 5 | 0 | 10 | 1 |
| Poor turn or manoeuvre | 3 | 5 | 36 | 63 | 5 | 112 | 7 |
| Failed to signal / misleading signal | 0 | 1 | 4 | 4 | 0 | 9 | 1 |
| Failed to look properly (D/R) | 89 | 53 | 78 | 146 | 32 | 398 | 24 |
| Failed to judge other pers path/speed (D/R) | 16 | 15 | 34 | 106 | 13 | 184 | 11 |
| Too close to cyclist,horse or pedestrian | 5 | 5 | 0 | 0 | 1 | 11 | 1 |
| Sudden braking | 0 | 3 | 9 | 17 | 7 | 36 | 2 |
| Swerved | 0 | 1 | 3 | 18 | 5 | 27 | 2 |
| Loss of control | 7 | 7 | 53 | 145 | 19 | 231 | 14 |
| Impairment or distraction (driver/rider) | |||||||
| Impaired by alcohol (D/R) | 2 | 4 | 7 | 73 | 11 | 97 | 6 |
| Impaired by drugs (illicit/medicinal) (D/R) | 3 | 1 | 2 | 52 | 7 | 65 | 4 |
| Fatigue | 0 | 2 | 2 | 28 | 1 | 33 | 2 |
| Uncorrected defective eyesight | 3 | 1 | 1 | 1 | 0 | 6 | 0 |
| Illness or disability (mental/physic) (D/R) | 0 | 0 | 5 | 29 | 4 | 38 | 2 |
| Not display lights at night / in poor visibility | 0 | 1 | 0 | 1 | 0 | 2 | 0 |
| Cyclist wearing dark clothing at night | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Driver using mobile phone | 0 | 0 | 0 | 9 | 2 | 11 | 1 |
| Distraction in vehicle | 12 | 1 | 0 | 37 | 4 | 54 | 3 |
| Distraction outside vehicle | 4 | 2 | 0 | 3 | 1 | 10 | 1 |
| Behaviour or inexperience (driver/rider) | |||||||
| Aggressive driving | 7 | 2 | 8 | 45 | 4 | 66 | 4 |
| Careless / reckless /in a hurry (D/R) | 43 | 31 | 66 | 254 | 28 | 422 | 25 |
| Nervous / uncertain / panic | 2 | 0 | 3 | 7 | 2 | 14 | 1 |
| Driving too slow for condits / slow vehicle | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| Inexperienced or learner driver/rider | 1 | 0 | 20 | 31 | 0 | 52 | 3 |
| Inexperience of driving on the left | 0 | 0 | 5 | 22 | 1 | 28 | 2 |
| Inexperience with type of vehicle | 1 | 1 | 1 | 3 | 5 | 11 | 1 |
| Vision affected | |||||||
| Stationary or parked vehicle | 9 | 2 | 5 | 6 | 0 | 22 | 1 |
| Vegetation | 0 | 1 | 1 | 3 | 0 | 5 | 0 |
| Road layout (eg bend, winding rd, hill crest | 2 | 0 | 7 | 17 | 0 | 26 | 2 |
| Buildings, road signs, street furniture | 1 | 0 | 0 | 3 | 0 | 4 | 0 |
| Dazzling headlights | 2 | 2 | 0 | 1 | 0 | 5 | 0 |
| Dazzling sun | 12 | 4 | 7 | 26 | 9 | 58 | 3 |
| Rain, sleet, snow or fog | 4 | 3 | 4 | 25 | 0 | 36 | 2 |
| Visor/windscreen dirty/scratched/frosted | 1 | 0 | 1 | 0 | 0 | 2 | 0 |
| Vehicle blind spot | 3 | 0 | 0 | 1 | 0 | 4 | 0 |
| Pedestrian only | |||||||
| Crossed road masked by stationary/parked | 32 | 1 | 0 | 0 | 0 | 33 | 2 |
| Pedestrian failed to look properly | 116 | 5 | 3 | 2 | 2 | 128 | 8 |
| Ped. failed to judge vehicles path or space | 42 | 0 | 2 | 1 | 0 | 45 | 3 |
| Wrong use of pedestrian crossing facility | 11 | 0 | 0 | 0 | 0 | 11 | 1 |
| Dangerous action in carriageway (eg playing) | 12 | 2 | 0 | 0 | 0 | 14 | 1 |
| Pedestrian impaired by alcohol | 36 | 0 | 0 | 3 | 4 | 43 | 3 |
| Ped. impaired by drugs (illicit/medicinal) | 6 | 0 | 0 | 1 | 2 | 9 | 1 |
| Ped. careless / reckless /in a hurry | 53 | 3 | 1 | 2 | 2 | 61 | 4 |
| Pedestrian wearing dark clothing at night | 22 | 0 | 0 | 0 | 0 | 22 | 1 |
| Ped. disability or illness, mental/physical | 7 | 1 | 0 | 2 | 0 | 10 | 1 |
| Special codes | |||||||
| Stolen vehicle | 1 | 0 | 0 | 4 | 0 | 5 | 0 |
| Vehicle in course of crime | 3 | 1 | 1 | 2 | 0 | 7 | 0 |
| Emergency vehicle on call | 0 | 0 | 0 | 0 | 2 | 2 | 0 |
| Other | 12 | 6 | 8 | 24 | 9 | 59 | 3 |
| All serious injuries | 348 | 123 | 278 | 820 | 121 | 1,690 | 100% |
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