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CrashStats

CM77 road accidents: crash map and statistics

Collisions since 1979
2,446
1,544th of 2,813 postcode districts, highest first
Casualties
3,446
1.41 per collision
Fatal collisions
48
49 people killed
Serious collisions
565
682 seriously injured
Collisions in 2025
40
Down 15% on 2024
Casualties in 2025
47
Down 16% on 2024

Road collision statistics for CM77

Collisions by severity, 1979 to 2025

  • Fatal482%
  • Serious56523%
  • Slight1,83375%

What the data shows

  • CM77 had 384 collisions from 2016 to 2025, 22% fewer than the 493 from 2006 to 2015.
  • 25% of collisions in CM77 were fatal or serious, against 20% across Great Britain.
  • 316 children under 16 were killed or injured in CM77, 9.4% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in CM77.

Where CM77 ranks among 2,813 postcode districts

Most collisions
1,544th
Most casualties
1,506th
Most fatal collisions
1,255th
Most serious collisions
1,314th

Collisions by day of the week

  • Monday332 (14%)
  • Tuesday321 (13%)
  • Wednesday390 (16%)
  • Thursday372 (15%)
  • Friday385 (16%)
  • Saturday357 (15%)
  • Sunday289 (12%)

Light conditions

  • Daylight1,745 (71%)
  • Dark, no street lighting407 (17%)
  • Dark, street lights lit245 (10%)
  • Dark, lighting unknown32 (1.3%)
  • Dark, street lights unlit17 (0.7%)

Type of road

  • Single carriageway1,899 (78%)
  • Roundabout321 (13%)
  • Dual carriageway202 (8.3%)
  • One way street or slip road19 (0.8%)
  • Not recorded5 (0.2%)

Speed limit at the scene

  • 20 mph16 (0.7%)
  • 30 mph475 (19%)
  • 40 mph292 (12%)
  • 50 mph239 (9.8%)
  • 60 mph1,172 (48%)
  • 70 mph252 (10%)

Weather at the time

  • Fine, no high winds1,865 (76%)
  • Raining, no high winds316 (13%)
  • Fine with high winds62 (2.5%)
  • Fog or mist59 (2.4%)
  • Raining with high winds39 (1.6%)
  • Snowing, no high winds23 (0.9%)
  • Snowing with high winds3 (0.1%)
  • Other62 (2.5%)
  • Not recorded17 (0.7%)

Who was hurt

  • Car occupant2,415 (70%)
  • Motorcyclist439 (13%)
  • Pedestrian169 (4.9%)
  • Cyclist161 (4.7%)
  • Van occupant133 (3.9%)
  • Goods vehicle occupant (over 3.5 tonnes)57 (1.7%)
  • Bus or coach occupant30 (0.9%)
  • Other vehicle occupant16 (0.5%)
  • Taxi or private hire car occupant12 (0.3%)
  • Minibus occupant11 (0.3%)
  • Other3 (0.1%)

Source: Department for Transport, STATS19 road safety data

CM77 road accidents by year

Collisions and casualties in CM77, 1979 to 2025

Collisions in CM77 peaked at 83 in 2003; 2025 had 40.

  • Collisions
  • Collisions in 2025: 40
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254047
20244756
20233140
20224054
20213950
20203346
20193453
20183337
20174053
20164763
20154967
20145773
20133546
20124558
20114255
20104251
20094660
20085789
20075975
20066190
200575102
20047197
200383126
20026489
20017486
20007195
19996190
19986176
19975585
19964160
19955476
19946392
19934168
19926187
19914668
19905680
19894982
19885382
19876196
19865184
19854265
19845681
19835495
19825676
19815178
19805583
19796484

Map of recent crashes in CM77

Map of the 24 most recent crashes in CM77

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 CM77

The 24 most recent collisions in CM77 happened between 30 May and 16 December 2025.

Severity

Crashes by road in CM77

The A120 has the most collisions in CM77, 817 of 2,446 (33%), followed by the B1018 (397).

Collisions in CM77 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA1208171,19923164
2ndB101839759811107
3rdA131256358665
4thB12565372112
5thB1053455208
6thA1305600

Council areas covering CM77

Collisions in CM77 were recorded in 4 council areas. Braintree has 2,378 of 2,446 (97%).

Collisions in CM77 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stBraintree2,3783,35244554
2ndChelmsford426137
3rdUttlesford172213
4thColchester5500

Towns in CM77

Collisions in CM77 were recorded in 2 towns, led by Great Notley (210) and Braintree (89).