Letchworth road traffic accidents
Letchworth recorded 1,241 collisions in the STATS19 data between 1999 and 2025, involving 1,578 casualties. Of these collisions, 7 were fatal and 172 were serious. Recorded collisions in 2025 were down 22% on 2024.
Severity Breakdown
- Fatal
- 7
- Serious
- 172
- Casualties
- 1,578
- Fatal
- 7
- Serious
- 172
- Casualties
- 1,578
Collisions by Year
Areas covering Letchworth
Roads in Letchworth
Postcode districts in Letchworth
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in Letchworth
Road collision statistics for Letchworth
Collisions recorded
1,241
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
1,578
Casualties recorded across every collision in this area.
Fatal collisions
7
Collisions in which at least one person died.
Serious collisions
172
14.4% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Letchworth
Collisions in Letchworth are most frequently recorded on a Friday (18.3% of the total), with 24.8% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
80.2% of recorded collisions in Letchworth happen on a single carriageway. Around 18.3% were recorded in adverse weather such as rain, snow or fog.
The collisions in Letchworth have produced 1,578 casualties. Pedestrians account for 15.5% 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 109 collisions, Monday 178 collisions, Tuesday 209 collisions, Wednesday 188 collisions, Thursday 195 collisions, Friday 227 collisions, Saturday 135 collisions.
Light conditions
Light conditions: Daylight 933 collisions, Darkness 308 collisions.
Road type
Road type: Single carriageway 995 collisions, Roundabout 174 collisions, Dual carriageway 30 collisions, One way street 26 collisions, One way street/Slip road 14 collisions, Unknown 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 8 collisions, 30 mph 1,160 collisions, 40 mph 54 collisions, 60 mph 19 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,003 collisions, Raining no high winds 158 collisions, Other 32 collisions, Fine + high winds 11 collisions, Unknown 11 collisions.
Who was hurt
Who was hurt: Driver or rider 1,033 casualties, Passenger 300 casualties, Pedestrian 245 casualties.
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
Recent Accidents
Showing 1 of 1,241 accidents
Frequently asked questions about road accidents in Letchworth
How many road accidents have there been in Letchworth?
1,241 collisions have been recorded in Letchworth in the STATS19 road safety data between 1999 and 2025, involving 1,578 casualties.
How many of the collisions in Letchworth were serious or fatal?
7 were fatal and 172 were serious — 14.4% of all recorded collisions in Letchworth resulted in a death or serious injury.
When do most road accidents happen in Letchworth?
Friday is the most common day for collisions in Letchworth, accounting for 18.3% of them, and 24.8% of all collisions here happen in darkness.
What kind of roads do collisions in Letchworth happen on?
80.2% of collisions in Letchworth are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Letchworth?
Pedestrians make up 15.5% of the 1,578 casualties recorded in Letchworth.
Is road safety in Letchworth getting better or worse?
Recorded collisions in Letchworth fell 22% in 2025 compared with 2024, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for Letchworth 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 Letchworth cover 1999 to 2025.