CO4 postcode district road traffic accidents
The CO4 postcode district recorded 2,509 collisions in the STATS19 data between 1999 and 2025, involving 3,149 casualties. Of these collisions, 32 were fatal and 443 were serious. Recorded collisions in 2025 were down 10% on 2024.
Severity Breakdown
- Fatal
- 32
- Serious
- 443
- Casualties
- 3,149
- Fatal
- 32
- Serious
- 443
- Casualties
- 3,149
Collisions by Year
Areas covering CO4
Towns in CO4
Roads in CO4
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the CO4 postcode district
Road collision statistics for the CO4 postcode district
Collisions recorded
2,509
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,149
Casualties recorded across every collision in this area.
Fatal collisions
32
Collisions in which at least one person died.
Serious collisions
443
18.9% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the CO4 postcode district
Collisions in the CO4 postcode district are most frequently recorded on a Wednesday (16.8% of the total), with 28.1% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
57% of recorded collisions in the CO4 postcode district happen on a single carriageway. Around 16.8% were recorded in adverse weather such as rain, snow or fog.
The collisions in the CO4 postcode district have produced 3,149 casualties. Pedestrians account for 12.1% 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 265 collisions, Monday 344 collisions, Tuesday 388 collisions, Wednesday 421 collisions, Thursday 399 collisions, Friday 406 collisions, Saturday 286 collisions.
Light conditions
Light conditions: Daylight 1,803 collisions, Darkness 706 collisions.
Road type
Road type: Single carriageway 1,431 collisions, Roundabout 510 collisions, Dual carriageway 468 collisions, Slip road 45 collisions, Unknown 23 collisions, One way street/Slip road 17 collisions, One way street 15 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 24 collisions, 30 mph 1,689 collisions, 40 mph 212 collisions, 50 mph 45 collisions, 60 mph 207 collisions, 70 mph 332 collisions.
Weather at the time
Weather at the time: Fine no high winds 2,065 collisions, Raining no high winds 272 collisions, Other 74 collisions, Unknown 28 collisions, Fine + high winds 23 collisions.
Who was hurt
Who was hurt: Driver or rider 2,128 casualties, Passenger 641 casualties, Pedestrian 380 casualties.
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Recent Accidents
Showing 20 of 2,509 accidents
Accident 19994200E0163
SlightAccident 19994200E0161
SlightAccident 19994200E0154
SeriousAccident 19994200E0147
SlightAccident 19994200E0155
SlightAccident 19994200E0149
SlightAccident 19994200D0106
SlightAccident 19994200E0134
SlightAccident 19994200E0136
SlightAccident 19994200E0132
SlightAccident 19994200E0122
SeriousAccident 19994200E0131
SlightAccident 19994200D0087
SlightAccident 19994200E0125
SlightAccident 19994200E0108
SeriousAccident 19994200E0111
SlightAccident 19994200E0088
SlightAccident 19994200E0087
SlightAccident 19994200E0096
SlightAccident 19994200E0084
SlightFrequently asked questions about road accidents in the CO4 postcode district
How many road accidents have there been in the CO4 postcode district?
2,509 collisions have been recorded in the CO4 postcode district in the STATS19 road safety data between 1999 and 2025, involving 3,149 casualties.
How many of the collisions in the CO4 postcode district were serious or fatal?
32 were fatal and 443 were serious — 18.9% of all recorded collisions in the CO4 postcode district resulted in a death or serious injury.
When do most road accidents happen in the CO4 postcode district?
Wednesday is the most common day for collisions in the CO4 postcode district, accounting for 16.8% of them, and 28.1% of all collisions here happen in darkness.
What kind of roads do collisions in the CO4 postcode district happen on?
57% of collisions in the CO4 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the CO4 postcode district?
Pedestrians make up 12.1% of the 3,149 casualties recorded in the CO4 postcode district.
Is road safety in the CO4 postcode district getting better or worse?
Recorded collisions in the CO4 postcode district fell 10% in 2025 compared with 2024, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for the CO4 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 CO4 postcode district cover 1999 to 2025.