Skip to main content
CrashStats

Letchworth road accidents: crash map and statistics

Police recorded 2,905 road traffic collisions in Letchworth, North Hertfordshire, from 1979 to 2025, and 3,573 people were killed or injured in them. Of those collisions, 26 were fatal and 543 were serious.

In 2025 police recorded 26 collisions, down 19% on 2024 (32).

Collisions since 1979
2,905
344th highest of 2,851 towns
Casualties
3,573
1.23 per collision
Fatal collisions
26
27 people killed
Serious collisions
543
590 seriously injured
Collisions in 2025
26
Down 19% on 2024
Casualties in 2025
31
Down 11% on 2024

Road collision statistics for Letchworth

Collisions by severity, 1979 to 2025

  • Fatal260.9%
  • Serious54319%
  • Slight2,33680%

What the data shows

  • Letchworth had 307 collisions from 2016 to 2025, 30% fewer than the 439 from 2006 to 2015.
  • 20% of collisions in Letchworth were fatal or serious, against 20% across Great Britain.
  • 586 children under 16 were killed or injured in Letchworth, 16% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 36% of collisions in Letchworth.

Where Letchworth ranks among 2,851 towns

Most collisions
344th
Most casualties
349th
Most fatal collisions
390th
Most serious collisions
314th

Collisions by day of the week

  • Monday423 (15%)
  • Tuesday462 (16%)
  • Wednesday411 (14%)
  • Thursday467 (16%)
  • Friday535 (18%)
  • Saturday349 (12%)
  • Sunday258 (8.9%)

Light conditions

  • Daylight2,141 (74%)
  • Dark, street lights lit708 (24%)
  • Dark, lighting unknown25 (0.9%)
  • Dark, street lights unlit25 (0.9%)
  • Dark, no street lighting6 (0.2%)

Type of road

  • Single carriageway2,342 (81%)
  • Roundabout364 (13%)
  • One way street or slip road109 (3.8%)
  • Dual carriageway78 (2.7%)
  • Not recorded12 (0.4%)

Speed limit at the scene

  • 20 mph10 (0.3%)
  • 30 mph2,737 (94%)
  • 40 mph98 (3.4%)
  • 60 mph55 (1.9%)
  • 70 mph5 (0.2%)

Weather at the time

  • Fine, no high winds2,332 (80%)
  • Raining, no high winds386 (13%)
  • Fine with high winds43 (1.5%)
  • Raining with high winds27 (0.9%)
  • Snowing, no high winds21 (0.7%)
  • Fog or mist18 (0.6%)
  • Snowing with high winds3 (0.1%)
  • Other41 (1.4%)
  • Not recorded34 (1.2%)

Who was hurt

  • Car occupant1,639 (46%)
  • Cyclist605 (17%)
  • Motorcyclist600 (17%)
  • Pedestrian587 (16%)
  • Bus or coach occupant51 (1.4%)
  • Van occupant42 (1.2%)
  • Other vehicle occupant11 (0.3%)
  • Taxi or private hire car occupant11 (0.3%)
  • Goods vehicle occupant (over 3.5 tonnes)9 (0.3%)
  • Minibus occupant7 (0.2%)
  • Other7 (0.2%)
  • Not recorded4 (0.1%)

Source: Department for Transport, STATS19 road safety data

Letchworth road accidents by year

Collisions and casualties in Letchworth, 1979 to 2025

Collisions in Letchworth peaked at 101 in 1984; 2025 had 26.

  • Collisions
  • Collisions in 2025: 26
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252631
20243235
20232531
20222838
20213136
20202228
20192228
20183647
20174145
20164456
20154148
20144046
20133855
20124355
20113142
20103956
20094555
20085059
20075363
20065980
20056383
20045369
20036181
200279105
20017595
200084108
19996978
199893113
19977583
19967898
19957585
19945567
199381104
199287106
19917385
19908090
198986119
1988100116
198793118
198699120
19857481
1984101125
198395107
19827688
19818093
198077102
197997120

Map of recent crashes in Letchworth

Map of the 24 most recent crashes in Letchworth

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Letchworth

The 24 most recent collisions in Letchworth happened between 17 February and 15 December 2025.

Severity

Crashes by road in Letchworth

The A505 has the most collisions in Letchworth, 421 of 2,905 (14%), followed by the A6141 (58).

Collisions in Letchworth on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA505421527581
2ndA61415886013
3rdB656375013

Council areas covering Letchworth

Collisions in Letchworth were recorded in 3 council areas. North Hertfordshire has 2,896 of 2,905 (99.7%).

Collisions in Letchworth by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stNorth Hertfordshire2,8963,56026542
2ndCentral Bedfordshire3401
3rdEast Hertfordshire3600

Postcode district for Letchworth

Of the 2,905 collisions in Letchworth, 2,903 (99.9%) were in the SG6 postcode district.