CM21 postcode district road traffic accidents
The CM21 postcode district recorded 504 collisions in the STATS19 data between 1999 and 2025, involving 698 casualties. Of these collisions, 7 were fatal and 81 were serious. Recorded collisions in 2025 were up 20% on 2024.
Severity Breakdown
- Fatal
- 7
- Serious
- 81
- Casualties
- 698
- Fatal
- 7
- Serious
- 81
- Casualties
- 698
Collisions by Year
Areas covering CM21
Towns in CM21
Roads in CM21
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the CM21 postcode district
Road collision statistics for the CM21 postcode district
Collisions recorded
504
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
698
Casualties recorded across every collision in this area.
Fatal collisions
7
Collisions in which at least one person died.
Serious collisions
81
17.5% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the CM21 postcode district
Collisions in the CM21 postcode district are most frequently recorded on a Saturday (16.5% of the total), with 27.8% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
93.8% of recorded collisions in the CM21 postcode district happen on a single carriageway. Around 21.2% were recorded in adverse weather such as rain, snow or fog.
The collisions in the CM21 postcode district have produced 698 casualties. Pedestrians account for 9.9% 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 51 collisions, Monday 61 collisions, Tuesday 72 collisions, Wednesday 82 collisions, Thursday 74 collisions, Friday 81 collisions, Saturday 83 collisions.
Light conditions
Light conditions: Daylight 364 collisions, Darkness 140 collisions.
Road type
Road type: Single carriageway 473 collisions, Dual carriageway 21 collisions, Roundabout 5 collisions, One way street 4 collisions, Slip road 1 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 5 collisions, 30 mph 309 collisions, 40 mph 89 collisions, 50 mph 25 collisions, 60 mph 71 collisions, 70 mph 5 collisions.
Weather at the time
Weather at the time: Fine no high winds 392 collisions, Raining no high winds 69 collisions, Other 22 collisions, Unknown 7 collisions, Fine + high winds 5 collisions.
Who was hurt
Who was hurt: Driver or rider 482 casualties, Passenger 147 casualties, Pedestrian 69 casualties.
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Recent Accidents
Showing 20 of 504 accidents
Accident 2025411685339
SlightAccident 2025411664077
SlightAccident 2025411656934
SlightAccident 2025411653605
SeriousAccident 2025421635142
SlightAccident 2025411613684
SlightAccident 2025411663461
SeriousAccident 2025411607837
SlightAccident 2025411591362
SlightAccident 2025411562153
SeriousAccident 2025411561938
SlightAccident 2025411558395
SlightAccident 2024411536282
SeriousAccident 2024411510439
SlightAccident 2024411504350
SlightAccident 2024411518626
SeriousAccident 2024411498663
SlightAccident 2024411487508
SlightAccident 2024411471528
SlightAccident 2024411462969
SlightFrequently asked questions about road accidents in the CM21 postcode district
How many road accidents have there been in the CM21 postcode district?
504 collisions have been recorded in the CM21 postcode district in the STATS19 road safety data between 1999 and 2025, involving 698 casualties.
How many of the collisions in the CM21 postcode district were serious or fatal?
7 were fatal and 81 were serious — 17.5% of all recorded collisions in the CM21 postcode district resulted in a death or serious injury.
When do most road accidents happen in the CM21 postcode district?
Saturday is the most common day for collisions in the CM21 postcode district, accounting for 16.5% of them, and 27.8% of all collisions here happen in darkness.
What kind of roads do collisions in the CM21 postcode district happen on?
93.8% of collisions in the CM21 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the CM21 postcode district?
Pedestrians make up 9.9% of the 698 casualties recorded in the CM21 postcode district.
Is road safety in the CM21 postcode district getting better or worse?
Recorded collisions in the CM21 postcode district rose 20% 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 CM21 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 CM21 postcode district cover 1999 to 2025.