M21 postcode district road traffic accidents
The M21 postcode district recorded 1,488 collisions in the STATS19 data between 1999 and 2024, involving 2,016 casualties. Of these collisions, 10 were fatal and 146 were serious. Recorded collisions in 2024 were up 24% on 2023.
Severity Breakdown
- Fatal
- 10
- Serious
- 146
- Casualties
- 2,016
- Fatal
- 10
- Serious
- 146
- Casualties
- 2,016
Collisions by Year
Areas covering M21
Towns in M21
Roads in M21
Accidents in the M21 postcode district
Road collision statistics for the M21 postcode district
Collisions recorded
1,488
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
2,016
Casualties recorded across every collision in this area.
Fatal collisions
10
Collisions in which at least one person died.
Serious collisions
146
10.5% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the M21 postcode district
Collisions in the M21 postcode district are most frequently recorded on a Wednesday (16.9% of the total), with 27.9% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
85.1% of recorded collisions in the M21 postcode district happen on a single carriageway. Around 23.9% were recorded in adverse weather such as rain, snow or fog.
The collisions in the M21 postcode district have produced 2,016 casualties. Pedestrians account for 17.3% 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 121 collisions, Monday 223 collisions, Tuesday 235 collisions, Wednesday 252 collisions, Thursday 225 collisions, Friday 227 collisions, Saturday 205 collisions.
Light conditions
Light conditions: Daylight 1,073 collisions, Darkness 415 collisions.
Road type
Road type: Single carriageway 1,267 collisions, Dual carriageway 182 collisions, Unknown 26 collisions, One way street 6 collisions, Other 4 collisions, Slip road 2 collisions, Roundabout 1 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 51 collisions, 30 mph 1,383 collisions, 40 mph 46 collisions, 70 mph 8 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,133 collisions, Raining no high winds 245 collisions, Unknown 35 collisions, Raining + high winds 29 collisions, Other 27 collisions.
Who was hurt
Who was hurt: Driver or rider 1,174 casualties, Passenger 493 casualties, Pedestrian 349 casualties.
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Recent Accidents
Showing 20 of 1,488 accidents
Accident 200006C009523
SlightAccident 200006C009502
SlightAccident 200006C009501
SlightAccident 199906C009463
SlightAccident 199906C009423
SlightAccident 199906C009426
SlightAccident 199906C009401
SlightAccident 199906C009360
SeriousAccident 199906C009264
SlightAccident 199906C009226
SlightAccident 199906C009213
SlightAccident 199906C009211
SlightAccident 199906C009205
SlightAccident 199906F005647
SeriousAccident 199906C009204
SeriousAccident 199906C009181
SlightAccident 199906C009167
SlightAccident 199906C009289
SlightAccident 199906C009115
SlightAccident 199906C009125
SlightFrequently asked questions about road accidents in the M21 postcode district
How many road accidents have there been in the M21 postcode district?
1,488 collisions have been recorded in the M21 postcode district in the STATS19 road safety data between 1999 and 2024, involving 2,016 casualties.
How many of the collisions in the M21 postcode district were serious or fatal?
10 were fatal and 146 were serious — 10.5% of all recorded collisions in the M21 postcode district resulted in a death or serious injury.
When do most road accidents happen in the M21 postcode district?
Wednesday is the most common day for collisions in the M21 postcode district, accounting for 16.9% of them, and 27.9% of all collisions here happen in darkness.
What kind of roads do collisions in the M21 postcode district happen on?
85.1% of collisions in the M21 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the M21 postcode district?
Pedestrians make up 17.3% of the 2,016 casualties recorded in the M21 postcode district.
Is road safety in the M21 postcode district getting better or worse?
Recorded collisions in the M21 postcode district rose 24% in 2024 compared with 2023. 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 M21 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 M21 postcode district cover 1999 to 2024.