Skip to main content
CrashStats

CM3 road accidents: crash map and statistics

Police recorded 9,435 road traffic collisions in the CM3 postcode district, Chelmsford, from 1979 to 2025, and 13,431 people were killed or injured in them. Of those collisions, 186 were fatal and 2,281 were serious.

In 2025 police recorded 125 collisions, up 23% on 2024 (102).

Collisions since 1979
9,435
65th highest of 2,813 postcode districts
Casualties
13,431
1.42 per collision
Fatal collisions
186
197 people killed
Serious collisions
2,281
2,746 seriously injured
Collisions in 2025
125
Up 23% on 2024
Casualties in 2025
163
Up 17% on 2024

Road collision statistics for CM3

Collisions by severity, 1979 to 2025

  • Fatal1862%
  • Serious2,28124%
  • Slight6,96874%

What the data shows

  • CM3 had 1,102 collisions from 2016 to 2025, 31% fewer than the 1,594 from 2006 to 2015.
  • 26% of collisions in CM3 were fatal or serious, against 20% across Great Britain.
  • 1,190 children under 16 were killed or injured in CM3, 9% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in CM3.

Where CM3 ranks among 2,813 postcode districts

Most collisions
65th
Most casualties
38th
Most fatal collisions
24th
Most serious collisions
12th

Collisions by day of the week

  • Monday1,271 (13%)
  • Tuesday1,323 (14%)
  • Wednesday1,348 (14%)
  • Thursday1,397 (15%)
  • Friday1,603 (17%)
  • Saturday1,332 (14%)
  • Sunday1,161 (12%)

Light conditions

  • Daylight6,762 (72%)
  • Dark, no street lighting1,761 (19%)
  • Dark, street lights lit799 (8.5%)
  • Dark, lighting unknown76 (0.8%)
  • Dark, street lights unlit37 (0.4%)

Type of road

  • Single carriageway7,667 (81%)
  • Dual carriageway1,223 (13%)
  • Roundabout444 (4.7%)
  • One way street or slip road81 (0.9%)
  • Not recorded20 (0.2%)

Speed limit at the scene

  • 20 mph8 (0.1%)
  • 30 mph1,881 (20%)
  • 40 mph1,470 (16%)
  • 50 mph300 (3.2%)
  • 60 mph4,473 (47%)
  • 70 mph1,303 (14%)

Weather at the time

  • Fine, no high winds7,325 (78%)
  • Raining, no high winds1,249 (13%)
  • Fine with high winds169 (1.8%)
  • Fog or mist167 (1.8%)
  • Raining with high winds129 (1.4%)
  • Snowing, no high winds63 (0.7%)
  • Snowing with high winds10 (0.1%)
  • Other286 (3%)
  • Not recorded37 (0.4%)

Who was hurt

  • Car occupant9,599 (71%)
  • Motorcyclist1,492 (11%)
  • Pedestrian698 (5.2%)
  • Cyclist617 (4.6%)
  • Van occupant552 (4.1%)
  • Goods vehicle occupant (over 3.5 tonnes)197 (1.5%)
  • Bus or coach occupant92 (0.7%)
  • Minibus occupant72 (0.5%)
  • Taxi or private hire car occupant49 (0.4%)
  • Other vehicle occupant42 (0.3%)
  • Other21 (0.2%)

Source: Department for Transport, STATS19 road safety data

CM3 road accidents by year

Collisions and casualties in CM3, 1979 to 2025

Collisions in CM3 peaked at 308 in 1988; 2025 had 125.

  • Collisions
  • Collisions in 2025: 125
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025125163
2024102139
2023119174
2022117168
202181113
2020101140
2019106141
2018118157
2017112141
2016121158
2015109150
2014130185
2013135178
2012152188
2011144199
2010147198
2009169226
2008185233
2007205275
2006218298
2005233330
2004253355
2003238346
2002217287
2001247319
2000264366
1999269391
1998251387
1997277392
1996245339
1995254375
1994220314
1993227367
1992245338
1991209302
1990263380
1989307457
1988308451
1987279417
1986233357
1985249360
1984254389
1983267380
1982231325
1981225345
1980245397
1979229341

Map of recent crashes in CM3

Map of the 24 most recent crashes in CM3

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in CM3

The 24 most recent collisions in CM3 happened between 31 October and 28 December 2025.

Severity

Crashes by road in CM3

The A130 has the most collisions in CM3, 913 of 9,435 (9.7%), followed by the A12 (828).

Collisions in CM3 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA1309131,42331227
2ndA128281,27127142
3rdB101257884711157
4thB101057578710158
5thA4144856544121
6thB11374235785105
7thA13140868313107
8thB1418361508885
9thB1018254345646
10thB1019156208132
11thB1008130193335
12thA13283115217
13thA138598809
14thB10204066118
15thB1417334207
16thA1245122115
17thB102181405
18thA1294400
19thB10244403
20thB13894400
21stA11593400
22ndA1273500
23rdA133400
24thB10073401

Council areas covering CM3

Collisions in CM3 were recorded in 8 council areas. Chelmsford has 5,890 of 9,435 (62%).

Collisions in CM3 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stChelmsford5,8908,3571181,398
2ndMaldon2,2933,28152614
3rdBraintree1,1391,64415246
4thUttlesford5978115
5thBasildon202502
6thSouthend-on-Sea111300
7thRochford101502
8thBrentwood4401

Towns in CM3

Collisions in CM3 were recorded in 12 towns, led by South Woodham Ferrers (620) and Danbury (518).