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CrashStats

SG2 road accidents: crash map and statistics

Collisions since 1979
3,465
1,100th highest of 2,813 postcode districts
Casualties
4,630
1.34 per collision
Fatal collisions
25
25 people killed
Serious collisions
655
718 seriously injured
Collisions in 2025
22
Down 12% on 2024
Casualties in 2025
28
Down 18% on 2024

Road collision statistics for SG2

Collisions by severity, 1979 to 2025

  • Fatal250.7%
  • Serious65519%
  • Slight2,78580%

What the data shows

  • SG2 had 343 collisions from 2016 to 2025, 43% fewer than the 606 from 2006 to 2015.
  • 20% of collisions in SG2 were fatal or serious, against 20% across Great Britain.
  • 903 children under 16 were killed or injured in SG2, 20% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in SG2.

Where SG2 ranks among 2,813 postcode districts

Most collisions
1,100th
Most casualties
1,109th
Most fatal collisions
1,994th
Most serious collisions
1,056th

Collisions by day of the week

  • Monday473 (14%)
  • Tuesday512 (15%)
  • Wednesday501 (14%)
  • Thursday520 (15%)
  • Friday587 (17%)
  • Saturday467 (13%)
  • Sunday405 (12%)

Light conditions

  • Daylight2,528 (73%)
  • Dark, street lights lit758 (22%)
  • Dark, no street lighting127 (3.7%)
  • Dark, lighting unknown35 (1%)
  • Dark, street lights unlit17 (0.5%)

Type of road

  • Single carriageway3,022 (87%)
  • Roundabout267 (7.7%)
  • Dual carriageway144 (4.2%)
  • One way street or slip road5 (0.1%)
  • Not recorded27 (0.8%)

Speed limit at the scene

  • 20 mph8 (0.2%)
  • 30 mph2,082 (60%)
  • 40 mph849 (25%)
  • 50 mph8 (0.2%)
  • 60 mph504 (15%)
  • 70 mph14 (0.4%)

Weather at the time

  • Fine, no high winds2,746 (79%)
  • Raining, no high winds444 (13%)
  • Fog or mist43 (1.2%)
  • Fine with high winds40 (1.2%)
  • Raining with high winds39 (1.1%)
  • Snowing, no high winds27 (0.8%)
  • Snowing with high winds6 (0.2%)
  • Other77 (2.2%)
  • Not recorded43 (1.2%)

Who was hurt

  • Car occupant2,630 (57%)
  • Pedestrian724 (16%)
  • Motorcyclist624 (13%)
  • Cyclist419 (9%)
  • Van occupant77 (1.7%)
  • Bus or coach occupant69 (1.5%)
  • Goods vehicle occupant (over 3.5 tonnes)25 (0.5%)
  • Taxi or private hire car occupant24 (0.5%)
  • Other vehicle occupant18 (0.4%)
  • Minibus occupant14 (0.3%)
  • Other2 (under 0.1%)
  • Not recorded4 (0.1%)

Source: Department for Transport, STATS19 road safety data

SG2 road accidents by year

Collisions and casualties in SG2, 1979 to 2025

Collisions in SG2 peaked at 114 in 1999; 2025 had 22.

  • Collisions
  • Collisions in 2025: 22
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252228
20242534
20233744
20224054
20212738
20202940
20194361
20183137
20174052
20164970
201565105
20144863
20134353
20126386
20114961
20106280
20095885
200885129
20076997
20066496
200572104
200499134
200369105
2002108157
200192141
200099138
1999114153
1998110148
1997103136
199698124
199584108
19948094
199382112
199281105
199192114
199087101
1989106141
198885111
1987107141
198696122
198582118
198496113
198388108
198294124
1981101129
198090110
1979101126

Map of recent crashes in SG2

Map of the 24 most recent crashes in SG2

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SG2

The 24 most recent collisions in SG2 happened between 1 December 2024 and 21 December 2025.

Severity

Crashes by road in SG2

The A602 has the most collisions in SG2, 400 of 3,465 (12%), followed by the B1037 (283).

Collisions in SG2 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA602400584869
2ndB1037283425162
3rdB19795147321
4thA1155263501

Council areas covering SG2

Collisions in SG2 were recorded in 3 council areas. Stevenage has 2,956 of 3,465 (85%).

Collisions in SG2 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stStevenage2,9563,85221547
2ndEast Hertfordshire466698397
3rdNorth Hertfordshire3668111

Town in SG2

Of the 3,465 collisions in SG2, 2,590 (75%) were in Stevenage.