Southampton road traffic accidents
Southampton recorded 16,179 collisions in the STATS19 data between 1999 and 2024, involving 19,494 casualties. Of these collisions, 103 were fatal and 2,610 were serious. Recorded collisions in 2024 were up 7% on 2023.
Severity Breakdown
- Fatal
- 103
- Serious
- 2,610
- Casualties
- 19,494
- Fatal
- 103
- Serious
- 2,610
- Casualties
- 19,494
Collisions by Year
Areas covering Southampton
Roads in Southampton
Postcode districts in Southampton
Accidents in Southampton
Road collision statistics for Southampton
Collisions recorded
16,179
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
19,494
Casualties recorded across every collision in this area.
Fatal collisions
103
Collisions in which at least one person died.
Serious collisions
2,610
16.8% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Southampton
Collisions in Southampton are most frequently recorded on a Friday (16.8% of the total), with 28.2% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
82.2% of recorded collisions in Southampton happen on a single carriageway. Around 15.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in Southampton have produced 19,494 casualties. Pedestrians account for 17.5% 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 1,538 collisions, Monday 2,327 collisions, Tuesday 2,547 collisions, Wednesday 2,503 collisions, Thursday 2,449 collisions, Friday 2,725 collisions, Saturday 2,090 collisions.
Light conditions
Light conditions: Daylight 11,621 collisions, Darkness 4,558 collisions.
Road type
Road type: Single carriageway 13,303 collisions, Dual carriageway 1,918 collisions, Roundabout 700 collisions, One way street 101 collisions, Other 72 collisions, Slip road 57 collisions, Unknown 28 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 202 collisions, 30 mph 14,047 collisions, 40 mph 1,198 collisions, 50 mph 454 collisions, 60 mph 61 collisions, 70 mph 217 collisions.
Weather at the time
Weather at the time: Fine no high winds 13,501 collisions, Raining no high winds 1,921 collisions, Other 247 collisions, Raining + high winds 241 collisions, Fine + high winds 160 collisions.
Who was hurt
Who was hurt: Driver or rider 12,273 casualties, Passenger 3,809 casualties, Pedestrian 3,412 casualties.
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Recent Accidents
Showing 20 of 16,179 accidents
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SeriousAccident 2024440342952
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SlightFrequently asked questions about road accidents in Southampton
How many road accidents have there been in Southampton?
16,179 collisions have been recorded in Southampton in the STATS19 road safety data between 1999 and 2024, involving 19,494 casualties.
How many of the collisions in Southampton were serious or fatal?
103 were fatal and 2,610 were serious — 16.8% of all recorded collisions in Southampton resulted in a death or serious injury.
When do most road accidents happen in Southampton?
Friday is the most common day for collisions in Southampton, accounting for 16.8% of them, and 28.2% of all collisions here happen in darkness.
What kind of roads do collisions in Southampton happen on?
82.2% of collisions in Southampton are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Southampton?
Pedestrians make up 17.5% of the 19,494 casualties recorded in Southampton.
Is road safety in Southampton getting better or worse?
Recorded collisions in Southampton rose 7% 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 Southampton 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 Southampton cover 1999 to 2024.