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CrashStats

CM6 road accidents: crash map and statistics

Collisions since 1979
3,523
1,081st highest of 2,813 postcode districts
Casualties
4,929
1.40 per collision
Fatal collisions
76
90 people killed
Serious collisions
889
1,077 seriously injured
Collisions in 2025
39
Up 15% on 2024
Casualties in 2025
49
Down 2% on 2024

Road collision statistics for CM6

Collisions by severity, 1979 to 2025

  • Fatal762.2%
  • Serious88925%
  • Slight2,55873%

What the data shows

  • CM6 had 404 collisions from 2016 to 2025, 24% fewer than the 533 from 2006 to 2015.
  • 27% of collisions in CM6 were fatal or serious, against 20% across Great Britain.
  • 392 children under 16 were killed or injured in CM6, 8.1% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 42% of collisions in CM6.

Where CM6 ranks among 2,813 postcode districts

Most collisions
1,081st
Most casualties
1,017th
Most fatal collisions
565th
Most serious collisions
561st

Collisions by day of the week

  • Monday509 (14%)
  • Tuesday507 (14%)
  • Wednesday513 (15%)
  • Thursday519 (15%)
  • Friday591 (17%)
  • Saturday456 (13%)
  • Sunday428 (12%)

Light conditions

  • Daylight2,582 (73%)
  • Dark, no street lighting698 (20%)
  • Dark, street lights lit211 (6%)
  • Dark, lighting unknown21 (0.6%)
  • Dark, street lights unlit11 (0.3%)

Type of road

  • Single carriageway3,234 (92%)
  • Dual carriageway164 (4.7%)
  • Roundabout92 (2.6%)
  • One way street or slip road20 (0.6%)
  • Not recorded13 (0.4%)

Speed limit at the scene

  • 20 mph6 (0.2%)
  • 30 mph720 (20%)
  • 40 mph287 (8.1%)
  • 50 mph13 (0.4%)
  • 60 mph2,275 (65%)
  • 70 mph222 (6.3%)

Weather at the time

  • Fine, no high winds2,721 (77%)
  • Raining, no high winds467 (13%)
  • Fine with high winds72 (2%)
  • Raining with high winds65 (1.8%)
  • Fog or mist54 (1.5%)
  • Snowing, no high winds23 (0.7%)
  • Snowing with high winds8 (0.2%)
  • Other106 (3%)
  • Not recorded7 (0.2%)

Who was hurt

  • Car occupant3,417 (69%)
  • Motorcyclist554 (11%)
  • Pedestrian309 (6.3%)
  • Van occupant231 (4.7%)
  • Cyclist191 (3.9%)
  • Goods vehicle occupant (over 3.5 tonnes)100 (2%)
  • Taxi or private hire car occupant45 (0.9%)
  • Bus or coach occupant43 (0.9%)
  • Other vehicle occupant30 (0.6%)
  • Minibus occupant8 (0.2%)
  • Other1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

CM6 road accidents by year

Collisions and casualties in CM6, 1979 to 2025

Collisions in CM6 peaked at 132 in 2001; 2025 had 39.

  • Collisions
  • Collisions in 2025: 39
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253949
20243450
20233141
20224054
20215382
20204064
20193855
20183961
20174678
20164461
20154864
20145367
20136889
20124370
20114563
20104054
20095570
20085067
20076578
20066686
20055676
200487113
200390120
2002108146
2001132182
2000107142
1999102146
1998102147
199791135
199690128
1995114165
199489125
199391126
199288124
199196129
199083104
1989124165
1988117172
1987112158
198677111
198583130
198499143
1983100132
1982101141
198185137
198079121
197983108

Map of recent crashes in CM6

Map of the 24 most recent crashes in CM6

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in CM6

The 24 most recent collisions in CM6 happened between 8 May and 25 October 2025.

Severity

Crashes by road in CM6

The B184 has the most collisions in CM6, 874 of 3,523 (25%), followed by the A120 (825).

Collisions in CM6 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB1848741,20119240
2ndA1208251,25232185
3rdA1060247357465
4thA130172258641
5thB1057153206353
6thB1256141215044
7thB1051127163230
8thB14176283116
9thB10085580014
10thB183192916
11thB10183600
12thM113401

Council areas covering CM6

Collisions in CM6 were recorded in 6 council areas. Uttlesford has 3,417 of 3,523 (97%).

Collisions in CM6 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stUttlesford3,4174,78676864
2ndBraintree416308
3rdChelmsford384808
4thEpping Forest111404
5thColchester6602
6thThurrock3300

Towns in CM6

Collisions in CM6 were recorded in 4 towns, led by Great Dunmow (488) and Thaxted (127).