CB4 postcode district road traffic accidents
The CB4 postcode district recorded 3,921 collisions in the STATS19 data between 1999 and 2024, involving 4,673 casualties. Of these collisions, 25 were fatal and 591 were serious. Recorded collisions in 2024 were down 15% on 2023.
Severity Breakdown
- Fatal
- 25
- Serious
- 591
- Casualties
- 4,673
- Fatal
- 25
- Serious
- 591
- Casualties
- 4,673
Collisions by Year
Areas covering CB4
Towns in CB4
Roads in CB4
Accidents in the CB4 postcode district
Road collision statistics for the CB4 postcode district
Collisions recorded
3,921
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
4,673
Casualties recorded across every collision in this area.
Fatal collisions
25
Collisions in which at least one person died.
Serious collisions
591
15.7% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the CB4 postcode district
Collisions in the CB4 postcode district are most frequently recorded on a Friday (16.9% of the total), with 26.8% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
73.6% of recorded collisions in the CB4 postcode district happen on a single carriageway. Around 19.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in the CB4 postcode district have produced 4,673 casualties. Pedestrians account for 7.8% of those casualties, a marker of the risk to people on foot here.
Collisions by day of the week
Collisions by day of the week: Sunday 320 collisions, Monday 583 collisions, Tuesday 643 collisions, Wednesday 614 collisions, Thursday 658 collisions, Friday 662 collisions, Saturday 441 collisions.
Light conditions
Light conditions: Daylight 2,867 collisions, Darkness 1,052 collisions.
Road type
Road type: Single carriageway 2,887 collisions, Dual carriageway 472 collisions, Roundabout 463 collisions, Slip road 28 collisions, Other 26 collisions, One way street 23 collisions, Unknown 22 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 163 collisions, 30 mph 2,925 collisions, 40 mph 135 collisions, 50 mph 57 collisions, 60 mph 368 collisions, 70 mph 272 collisions.
Weather at the time
Weather at the time: Fine no high winds 3,089 collisions, Raining no high winds 403 collisions, Unknown 165 collisions, Other 121 collisions, Fine + high winds 62 collisions.
Who was hurt
Who was hurt: Driver or rider 3,624 casualties, Passenger 683 casualties, Pedestrian 366 casualties.
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Recent Accidents
Showing 20 of 3,921 accidents
Accident 2015350207415
SeriousAccident 2015350224215
SlightAccident 2015350201315
SlightAccident 2015350200115
SlightAccident 2015350195615
SlightAccident 2015350206515
SlightAccident 2015350192315
SlightAccident 2015350195215
SeriousAccident 2015350198215
SeriousAccident 2015350192215
SeriousAccident 2015350188415
SlightAccident 2015350180415
SlightAccident 2015350193815
SlightAccident 2015350182715
SeriousAccident 2015350211215
SeriousAccident 2015350170915
SlightAccident 2015350178615
SlightAccident 2015350159315
SeriousAccident 2015350165415
SlightAccident 2015350169015
SeriousFrequently asked questions about road accidents in the CB4 postcode district
How many road accidents have there been in the CB4 postcode district?
3,921 collisions have been recorded in the CB4 postcode district in the STATS19 road safety data between 1999 and 2024, involving 4,673 casualties.
How many of the collisions in the CB4 postcode district were serious or fatal?
25 were fatal and 591 were serious — 15.7% of all recorded collisions in the CB4 postcode district resulted in a death or serious injury.
When do most road accidents happen in the CB4 postcode district?
Friday is the most common day for collisions in the CB4 postcode district, accounting for 16.9% of them, and 26.8% of all collisions here happen in darkness.
What kind of roads do collisions in the CB4 postcode district happen on?
73.6% of collisions in the CB4 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the CB4 postcode district?
Pedestrians make up 7.8% of the 4,673 casualties recorded in the CB4 postcode district.
Is road safety in the CB4 postcode district getting better or worse?
Recorded collisions in the CB4 postcode district fell 15% in 2024 compared with 2023, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for the CB4 postcode district come from?
It comes from STATS19, the official record of personal-injury road collisions reported to the police and published by the Department for Transport. The figures for the CB4 postcode district cover 1999 to 2024.