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 2011350723111
SeriousAccident 2011350537411
SlightAccident 2011350537711
SlightAccident 2011350412511
SlightAccident 201142I076302
SlightAccident 2011350255111
SlightAccident 2010352772410
SlightAccident 2010352226410
SeriousAccident 2010352217410
SlightAccident 2010351776010
SlightAccident 2010350979810
SeriousAccident 2010350761910
SlightAccident 2010350552810
SlightAccident 2010350460210
SlightAccident 2010350430010
SlightAccident 2010350263210
SlightAccident 2010350248210
SlightAccident 2009352626909
SlightAccident 2009350407609
SlightAccident 2009350382409
SlightFrequently 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.