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CrashStats

SG13 road accidents: crash map and statistics

Police recorded 2,356 road traffic collisions in the SG13 postcode district, East Hertfordshire, from 1979 to 2025, and 3,159 people were killed or injured in them. Of those collisions, 29 were fatal and 391 were serious.

In 2025 police recorded 21 collisions, down 5% on 2024 (22).

Collisions since 1979
2,356
1,589th of 2,813 postcode districts, highest first
Casualties
3,159
1.34 per collision
Fatal collisions
29
29 people killed
Serious collisions
391
463 seriously injured
Collisions in 2025
21
Down 5% on 2024
Casualties in 2025
27
Down 4% on 2024

Road collision statistics for SG13

Collisions by severity, 1979 to 2025

  • Fatal291.2%
  • Serious39117%
  • Slight1,93682%

What the data shows

  • SG13 had 300 collisions from 2016 to 2025, 27% fewer than the 410 from 2006 to 2015.
  • 18% of collisions in SG13 were fatal or serious, against 20% across Great Britain.
  • 286 children under 16 were killed or injured in SG13, 9.1% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in SG13.

Where SG13 ranks among 2,813 postcode districts

Most collisions
1,589th
Most casualties
1,602nd
Most fatal collisions
1,875th
Most serious collisions
1,780th

Collisions by day of the week

  • Monday332 (14%)
  • Tuesday336 (14%)
  • Wednesday364 (15%)
  • Thursday380 (16%)
  • Friday400 (17%)
  • Saturday295 (13%)
  • Sunday249 (11%)

Light conditions

  • Daylight1,783 (76%)
  • Dark, street lights lit280 (12%)
  • Dark, no street lighting262 (11%)
  • Dark, street lights unlit17 (0.7%)
  • Dark, lighting unknown14 (0.6%)

Type of road

  • Single carriageway1,575 (67%)
  • Dual carriageway376 (16%)
  • Roundabout273 (12%)
  • One way street or slip road127 (5.4%)
  • Not recorded5 (0.2%)

Speed limit at the scene

  • 20 mph6 (0.3%)
  • 30 mph791 (34%)
  • 40 mph339 (14%)
  • 50 mph10 (0.4%)
  • 60 mph776 (33%)
  • 70 mph434 (18%)

Weather at the time

  • Fine, no high winds1,855 (79%)
  • Raining, no high winds310 (13%)
  • Fine with high winds41 (1.7%)
  • Raining with high winds26 (1.1%)
  • Fog or mist19 (0.8%)
  • Snowing, no high winds19 (0.8%)
  • Snowing with high winds2 (0.1%)
  • Other57 (2.4%)
  • Not recorded27 (1.1%)

Who was hurt

  • Car occupant2,212 (70%)
  • Motorcyclist349 (11%)
  • Pedestrian211 (6.7%)
  • Cyclist207 (6.6%)
  • Van occupant76 (2.4%)
  • Goods vehicle occupant (over 3.5 tonnes)34 (1.1%)
  • Minibus occupant24 (0.8%)
  • Other vehicle occupant18 (0.6%)
  • Bus or coach occupant15 (0.5%)
  • Taxi or private hire car occupant9 (0.3%)
  • Other4 (0.1%)

Source: Department for Transport, STATS19 road safety data

SG13 road accidents by year

Collisions and casualties in SG13, 1979 to 2025

Collisions in SG13 peaked at 80 in 1997; 2025 had 21.

  • Collisions
  • Collisions in 2025: 21
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252127
20242228
20231013
20222535
20212528
20202534
20193750
20183447
20174563
20165668
20154061
20144957
20132934
20124261
20113958
20103647
20093655
20083856
20074957
20065278
20057099
200478104
20036994
20026190
20016182
20007394
19997189
19987192
199780101
199675111
19956398
19944971
19936792
19925167
19914359
19905466
19895167
19883543
19875975
19866071
19856280
19846277
19836382
19824959
19815272
19806191
19795676

Map of recent crashes in SG13

Map of the 24 most recent crashes in SG13

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in SG13

The 24 most recent collisions in SG13 happened between 8 November 2024 and 18 December 2025.

Severity

Crashes by road in SG13

The A414 has the most collisions in SG13, 422 of 2,356 (18%), followed by the B158 (297).

Collisions in SG13 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA414422529458
2ndB158297429261
3rdA10268359633
4thA119266335541
5thB1197149214133
6thB1502137171117
7thA1170579408

Council areas covering SG13

Collisions in SG13 were recorded in 5 council areas. East Hertfordshire has 2,110 of 2,356 (90%).

Collisions in SG13 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stEast Hertfordshire2,1102,78522352
2ndWelwyn Hatfield175263732
3rdBroxbourne629807
4thHertsmere3500
5thNorth Hertfordshire3500

Towns in SG13

Collisions in SG13 were recorded in 2 towns, led by Hertford (834) and Hoddesdon (56).