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CrashStats

CM1 road accidents: crash map and statistics

Police recorded 7,522 road traffic collisions in the CM1 postcode district, Chelmsford, from 1979 to 2025, and 9,602 people were killed or injured in them. Of those collisions, 115 were fatal and 1,554 were serious.

In 2025 police recorded 96 collisions, up 3% on 2024 (93).

Collisions since 1979
7,522
151st highest of 2,813 postcode districts
Casualties
9,602
1.28 per collision
Fatal collisions
115
121 people killed
Serious collisions
1,554
1,754 seriously injured
Collisions in 2025
96
Up 3% on 2024
Casualties in 2025
109
Down 8% on 2024

Road collision statistics for CM1

Collisions by severity, 1979 to 2025

  • Fatal1151.5%
  • Serious1,55421%
  • Slight5,85378%

What the data shows

  • CM1 had 912 collisions from 2016 to 2025, 27% fewer than the 1,244 from 2006 to 2015.
  • 22% of collisions in CM1 were fatal or serious, against 20% across Great Britain.
  • 1,082 children under 16 were killed or injured in CM1, 12% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in CM1.

Where CM1 ranks among 2,813 postcode districts

Most collisions
151st
Most casualties
160th
Most fatal collisions
200th
Most serious collisions
74th

Collisions by day of the week

  • Monday1,055 (14%)
  • Tuesday1,189 (16%)
  • Wednesday1,149 (15%)
  • Thursday1,147 (15%)
  • Friday1,282 (17%)
  • Saturday949 (13%)
  • Sunday751 (10%)

Light conditions

  • Daylight5,431 (72%)
  • Dark, street lights lit1,623 (22%)
  • Dark, no street lighting384 (5.1%)
  • Dark, lighting unknown62 (0.8%)
  • Dark, street lights unlit22 (0.3%)

Type of road

  • Single carriageway6,132 (82%)
  • Roundabout555 (7.4%)
  • Dual carriageway512 (6.8%)
  • One way street or slip road290 (3.9%)
  • Not recorded33 (0.4%)

Speed limit at the scene

  • 10 mph2 (under 0.1%)
  • 20 mph46 (0.6%)
  • 30 mph4,608 (61%)
  • 40 mph1,388 (18%)
  • 50 mph81 (1.1%)
  • 60 mph1,311 (17%)
  • 70 mph86 (1.1%)

Weather at the time

  • Fine, no high winds6,042 (80%)
  • Raining, no high winds959 (13%)
  • Fine with high winds91 (1.2%)
  • Raining with high winds89 (1.2%)
  • Fog or mist73 (1%)
  • Snowing, no high winds24 (0.3%)
  • Snowing with high winds7 (0.1%)
  • Other191 (2.5%)
  • Not recorded46 (0.6%)

Who was hurt

  • Car occupant4,954 (52%)
  • Motorcyclist1,452 (15%)
  • Cyclist1,336 (14%)
  • Pedestrian1,287 (13%)
  • Van occupant233 (2.4%)
  • Bus or coach occupant135 (1.4%)
  • Goods vehicle occupant (over 3.5 tonnes)70 (0.7%)
  • Taxi or private hire car occupant44 (0.5%)
  • Other vehicle occupant38 (0.4%)
  • Minibus occupant27 (0.3%)
  • Other17 (0.2%)
  • Not recorded9 (0.1%)

Source: Department for Transport, STATS19 road safety data

CM1 road accidents by year

Collisions and casualties in CM1, 1979 to 2025

Collisions in CM1 peaked at 257 in 1989; 2025 had 96.

  • Collisions
  • Collisions in 2025: 96
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202596109
202493119
202390108
2022101137
202175104
20208096
201998119
201895118
201790109
201694116
201590105
2014110130
2013119139
2012114138
2011128162
2010117151
2009120143
2008133151
2007144185
2006169203
2005172236
2004168210
2003155192
2002135173
2001172211
2000189244
1999180236
1998184223
1997168217
1996174234
1995176230
1994217287
1993187255
1992194246
1991187238
1990213287
1989257338
1988249347
1987256313
1986195257
1985244308
1984240312
1983214269
1982228312
1981236305
1980176221
1979200259

Map of recent crashes in CM1

Map of the 24 most recent crashes in CM1

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in CM1

The 24 most recent collisions in CM1 happened between 23 September and 28 December 2025.

Severity

Crashes by road in CM1

The B1008 has the most collisions in CM1, 676 of 7,522 (9%), followed by the A1060 (650).

Collisions in CM1 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB10086768172117
2ndA106065095624135
3rdA13062280014129
4thA10165517206122
5thA41454177725148
6thA1099363436370
7thA138332422540
8thA122140187742
9thB11378310329
10thA11136275119
11thA124766114
12thB1007141702
13thA1114121401
14thA13141001
15thA10093300

Council areas covering CM1

Collisions in CM1 were recorded in 5 council areas. Chelmsford has 7,444 of 7,522 (99%).

Collisions in CM1 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stChelmsford7,4449,5051151,529
2ndUttlesford5872020
3rdBraintree6701
4thEpping Forest4701
5thMaldon4401

Towns in CM1

Collisions in CM1 were recorded in 4 towns, led by Chelmsford (5,009) and Writtle (339).