Merton road traffic accidents
Merton recorded 12,037 collisions in the STATS19 data between 1999 and 2024, involving 14,222 casualties. Of these collisions, 66 were fatal and 1,594 were serious. Recorded collisions in 2024 were down 6% on 2023.
Severity Breakdown
- Fatal
- 66
- Serious
- 1,594
- Casualties
- 14,222
- Fatal
- 66
- Serious
- 1,594
- Casualties
- 14,222
Collisions by Year
Areas covering Merton
Roads in Merton
Postcode districts in Merton
Accidents in Merton
Road collision statistics for Merton
Collisions recorded
12,037
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
14,222
Casualties recorded across every collision in this area.
Fatal collisions
66
Collisions in which at least one person died.
Serious collisions
1,594
13.8% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Merton
Collisions in Merton are most frequently recorded on a Friday (17% of the total), with 27.9% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
76.8% of recorded collisions in Merton happen on a single carriageway. Around 18.1% were recorded in adverse weather such as rain, snow or fog.
The collisions in Merton have produced 14,222 casualties. Pedestrians account for 18.5% 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 1,193 collisions, Monday 1,681 collisions, Tuesday 1,824 collisions, Wednesday 1,913 collisions, Thursday 1,782 collisions, Friday 2,041 collisions, Saturday 1,603 collisions.
Light conditions
Light conditions: Daylight 8,674 collisions, Darkness 3,363 collisions.
Road type
Road type: Single carriageway 9,242 collisions, Dual carriageway 1,396 collisions, Roundabout 545 collisions, One way street 270 collisions, Unknown 249 collisions, Other 211 collisions, Slip road 124 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 1,618 collisions, 30 mph 10,075 collisions, 40 mph 260 collisions, 50 mph 83 collisions, 60 mph 1 collisions.
Weather at the time
Weather at the time: Fine no high winds 9,801 collisions, Raining no high winds 1,342 collisions, Unknown 452 collisions, Other 292 collisions, Fine + high winds 59 collisions.
Who was hurt
Who was hurt: Driver or rider 9,123 casualties, Passenger 2,467 casualties, Pedestrian 2,632 casualties.
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Recent Accidents
Showing 20 of 12,037 accidents
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SeriousFrequently asked questions about road accidents in Merton
How many road accidents have there been in Merton?
12,037 collisions have been recorded in Merton in the STATS19 road safety data between 1999 and 2024, involving 14,222 casualties.
How many of the collisions in Merton were serious or fatal?
66 were fatal and 1,594 were serious — 13.8% of all recorded collisions in Merton resulted in a death or serious injury.
When do most road accidents happen in Merton?
Friday is the most common day for collisions in Merton, accounting for 17% of them, and 27.9% of all collisions here happen in darkness.
What kind of roads do collisions in Merton happen on?
76.8% of collisions in Merton are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Merton?
Pedestrians make up 18.5% of the 14,222 casualties recorded in Merton.
Is road safety in Merton getting better or worse?
Recorded collisions in Merton fell 6% in 2024 compared with 2023, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for Merton 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 Merton cover 1999 to 2024.