CB21 postcode district road traffic accidents
The CB21 postcode district recorded 387 collisions in the STATS19 data between 1999 and 2025, involving 538 casualties. Of these collisions, 15 were fatal and 86 were serious. Recorded collisions in 2025 were up 33% on 2024.
Severity Breakdown
- Fatal
- 15
- Serious
- 86
- Casualties
- 538
- Fatal
- 15
- Serious
- 86
- Casualties
- 538
Collisions by Year
Areas covering CB21
Towns in CB21
Roads in CB21
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the CB21 postcode district
Road collision statistics for the CB21 postcode district
Collisions recorded
387
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
538
Casualties recorded across every collision in this area.
Fatal collisions
15
Collisions in which at least one person died.
Serious collisions
86
26.1% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the CB21 postcode district
Collisions in the CB21 postcode district are most frequently recorded on a Thursday (17.8% of the total), with 26.4% happening in darkness rather than daylight. The most common posted speed limit at the scene is 60 mph.
88.6% of recorded collisions in the CB21 postcode district happen on a single carriageway. Around 23% were recorded in adverse weather such as rain, snow or fog.
The collisions in the CB21 postcode district have produced 538 casualties. Pedestrians account for 8.2% 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 38 collisions, Monday 56 collisions, Tuesday 48 collisions, Wednesday 59 collisions, Thursday 69 collisions, Friday 50 collisions, Saturday 67 collisions.
Light conditions
Light conditions: Daylight 285 collisions, Darkness 102 collisions.
Road type
Road type: Single carriageway 343 collisions, Dual carriageway 33 collisions, Roundabout 5 collisions, One way street 4 collisions, Unknown 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 8 collisions, 30 mph 165 collisions, 40 mph 20 collisions, 50 mph 5 collisions, 60 mph 167 collisions, 70 mph 22 collisions.
Weather at the time
Weather at the time: Fine no high winds 289 collisions, Raining no high winds 52 collisions, Other 19 collisions, Unknown 10 collisions, Fine + high winds 9 collisions.
Who was hurt
Who was hurt: Driver or rider 386 casualties, Passenger 108 casualties, Pedestrian 44 casualties.
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Recent Accidents
Showing 20 of 387 accidents
Accident 20004200A0192
SeriousAccident 2000350130500
SeriousAccident 2000350108100
SlightAccident 2000350081200
SlightAccident 2000350036600
SlightAccident 2000350037200
SlightAccident 2000350035100
SeriousAccident 1999350607599
SlightAccident 1999350560199
SlightAccident 1999350558199
SlightAccident 1999350488599
SlightAccident 1999350451399
SlightAccident 1999350402099
SeriousAccident 1999350401999
SlightAccident 1999350397599
SlightAccident 1999350335999
SlightAccident 1999350310199
SlightAccident 1999350303799
SlightAccident 1999350267799
SeriousAccident 1999350254399
SeriousFrequently asked questions about road accidents in the CB21 postcode district
How many road accidents have there been in the CB21 postcode district?
387 collisions have been recorded in the CB21 postcode district in the STATS19 road safety data between 1999 and 2025, involving 538 casualties.
How many of the collisions in the CB21 postcode district were serious or fatal?
15 were fatal and 86 were serious — 26.1% of all recorded collisions in the CB21 postcode district resulted in a death or serious injury.
When do most road accidents happen in the CB21 postcode district?
Thursday is the most common day for collisions in the CB21 postcode district, accounting for 17.8% of them, and 26.4% of all collisions here happen in darkness.
What kind of roads do collisions in the CB21 postcode district happen on?
88.6% of collisions in the CB21 postcode district are recorded on a single carriageway, most often where the limit is 60 mph.
Are pedestrians often hurt in collisions in the CB21 postcode district?
Pedestrians make up 8.2% of the 538 casualties recorded in the CB21 postcode district.
Is road safety in the CB21 postcode district getting better or worse?
Recorded collisions in the CB21 postcode district rose 33% in 2025 compared with 2024. Year-on-year figures move with both genuine risk and changes in reporting, so they are best read as a trend rather than a single verdict.
Where does the road accident data for the CB21 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 CB21 postcode district cover 1999 to 2025.