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CrashStats

RM4 road accidents: crash map and statistics

Police recorded 2,309 road traffic collisions in the RM4 postcode district, Epping Forest, from 1979 to 2025, and 3,374 people were killed or injured in them. Of those collisions, 52 were fatal and 478 were serious.

In 2025 police recorded 37 collisions, up 76% on 2024 (21).

Collisions since 1979
2,309
1,607th of 2,813 postcode districts, highest first
Casualties
3,374
1.46 per collision
Fatal collisions
52
59 people killed
Serious collisions
478
585 seriously injured
Collisions in 2025
37
Up 76% on 2024
Casualties in 2025
47
Up 74% on 2024

Road collision statistics for RM4

Collisions by severity, 1979 to 2025

  • Fatal522.3%
  • Serious47821%
  • Slight1,77977%

What the data shows

  • RM4 had 304 collisions from 2016 to 2025, 27% fewer than the 414 from 2006 to 2015.
  • 23% of collisions in RM4 were fatal or serious, against 20% across Great Britain.
  • 202 children under 16 were killed or injured in RM4, 6.2% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 32% of collisions in RM4.

Where RM4 ranks among 2,813 postcode districts

Most collisions
1,607th
Most casualties
1,533rd
Most fatal collisions
1,136th
Most serious collisions
1,552nd

Collisions by day of the week

  • Monday309 (13%)
  • Tuesday317 (14%)
  • Wednesday341 (15%)
  • Thursday341 (15%)
  • Friday384 (17%)
  • Saturday307 (13%)
  • Sunday310 (13%)

Light conditions

  • Daylight1,634 (71%)
  • Dark, street lights lit341 (15%)
  • Dark, no street lighting304 (13%)
  • Dark, lighting unknown19 (0.8%)
  • Dark, street lights unlit11 (0.5%)

Type of road

  • Single carriageway1,459 (63%)
  • Dual carriageway817 (35%)
  • Roundabout18 (0.8%)
  • One way street or slip road4 (0.2%)
  • Not recorded11 (0.5%)

Speed limit at the scene

  • 10 mph1 (under 0.1%)
  • 20 mph2 (0.1%)
  • 30 mph459 (20%)
  • 40 mph177 (7.7%)
  • 50 mph36 (1.6%)
  • 60 mph835 (36%)
  • 70 mph799 (35%)

Weather at the time

  • Fine, no high winds1,872 (81%)
  • Raining, no high winds268 (12%)
  • Fine with high winds31 (1.3%)
  • Raining with high winds27 (1.2%)
  • Fog or mist21 (0.9%)
  • Snowing, no high winds17 (0.7%)
  • Snowing with high winds5 (0.2%)
  • Other61 (2.6%)
  • Not recorded7 (0.3%)

Who was hurt

  • Car occupant2,573 (76%)
  • Motorcyclist296 (8.8%)
  • Van occupant163 (4.8%)
  • Goods vehicle occupant (over 3.5 tonnes)105 (3.1%)
  • Pedestrian102 (3%)
  • Cyclist70 (2.1%)
  • Other vehicle occupant20 (0.6%)
  • Minibus occupant17 (0.5%)
  • Bus or coach occupant13 (0.4%)
  • Taxi or private hire car occupant13 (0.4%)
  • Other2 (0.1%)

Source: Department for Transport, STATS19 road safety data

RM4 road accidents by year

Collisions and casualties in RM4, 1979 to 2025

Collisions in RM4 peaked at 84 in 1998; 2025 had 37.

  • Collisions
  • Collisions in 2025: 37
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253747
20242127
20232534
20223550
20212946
20201825
20193547
20184361
20173148
20163047
20153951
20143447
20133246
20122443
20114153
20104658
20094759
20084666
20074970
20065676
20053750
20046487
20035983
20026294
200167124
20006188
19996283
199884129
199784126
199676113
19956285
199474113
199366103
19926387
19916485
19905787
198965112
19884973
19876486
19864967
19854673
19845584
19835786
19824470
19813250
19804158
19794777

Map of recent crashes in RM4

Map of the 24 most recent crashes in RM4

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in RM4

The 24 most recent collisions in RM4 happened between 6 June and 26 November 2025.

Severity

Crashes by road in RM4

The M25 has the most collisions in RM4, 710 of 2,309 (31%), followed by the A113 (429).

Collisions in RM4 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stM257101,0712099
2ndA11342960917103
3rdB175331476598
4thB17274115521
5thM115596012
6thA10233400

Council areas covering RM4

Collisions in RM4 were recorded in 6 council areas. Epping Forest has 1,559 of 2,309 (68%).

Collisions in RM4 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stEpping Forest1,5592,30038338
2ndBrentwood3895601061
3rdHavering347495477
4thUttlesford5800
5thHarlow4600
6thRedbridge3302

Towns in RM4

Collisions in RM4 were recorded in 3 towns, led by Havering (227) and Abridge (127).