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CrashStats

M25 accidents: crash map and statistics

Police recorded 33,457 collisions on the M25 from 1979 to 2025, with 52,168 casualties. Of those crashes, 439 were fatal and 3,907 serious, and 535 people were killed.

In 2025 there were 444 collisions on the M25, up 6% from 420 in 2024, with 692 casualties.

Live M25 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
33,457
13th highest of 4,923 roads
Casualties
52,168
1.56 per collision
Fatal collisions
439
535 people killed
Serious collisions
3,907
4,834 seriously injured
Collisions in 2025
444
Up 6% on 2024
Casualties in 2025
692
Up 10% on 2024

Crash severity on the M25

On the M25, 1.3% of collisions were fatal and 12% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal4391.3%
  • Serious3,90712%
  • Slight29,11187%

Where the M25 ranks among 4,923 roads

Most collisions
13th
Most casualties
10th
Most fatal collisions
31st
Most serious collisions
30th

M25 accidents by year

Collisions on the M25 peaked at 1,254 in 2005 and were down to 444 in 2025.

Collisions and casualties on the M25, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025444692
2024420629
2023504766
2022478750
2021456699
2020378551
2019574898
20186371,018
20176351,072
20167221,222
20156991,108
20146761,075
20136561,037
20127651,234
20117901,321
20107931,250
20097831,235
20088581,364
20079311,554
20061,0831,671
20051,2541,891
20041,2391,875
20031,1361,811
20021,2271,953
20011,2521,942
20001,2421,903
19991,1101,737
19981,0211,556
19971,1321,706
19961,0121,573
19951,0281,623
19949261,402
19938331,332
19927641,192
19917321,111
19908131,243
19897891,203
19887051,051
19876851,045
1986532775
1985286431
1984186272
198394144
19826491
19815485
19803445
19792530

When crashes happen on the M25

Friday has the most collisions on the M25 (6,132), and 3pm to 6pm is the busiest time of day (7,408).

Collisions by day of the week

  • Monday4,727 (14%)
  • Tuesday4,701 (14%)
  • Wednesday4,867 (15%)
  • Thursday5,108 (15%)
  • Friday6,132 (18%)
  • Saturday3,941 (12%)
  • Sunday3,981 (12%)

Collisions by time of day

  • Midnight to 3am1,257 (3.8%)
  • 3am to 6am1,335 (4%)
  • 6am to 9am5,029 (15%)
  • 9am to noon5,779 (17%)
  • Noon to 3pm5,865 (18%)
  • 3pm to 6pm7,408 (22%)
  • 6pm to 9pm4,853 (15%)
  • 9pm to midnight1,931 (5.8%)

Collisions by month

  • January2,356 (7%)
  • February2,334 (7%)
  • March2,429 (7.3%)
  • April2,477 (7.4%)
  • May2,702 (8.1%)
  • June2,714 (8.1%)
  • July3,150 (9.4%)
  • August3,139 (9.4%)
  • September2,869 (8.6%)
  • October3,162 (9.5%)
  • November3,059 (9.1%)
  • December3,066 (9.2%)

Light conditions at the time

  • Daylight23,836 (71%)
  • Dark, street lights lit6,527 (20%)
  • Dark, no street lighting2,266 (6.8%)
  • Dark, lighting unknown609 (1.8%)
  • Dark, street lights unlit217 (0.6%)
  • Not recorded2 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in M25 crashes

On the M25, 92% of collisions happened where the speed limit was 70 mph and 72% on a dry road surface.

Speed limit at the scene

  • 20 mph15 (under 0.1%)
  • 30 mph303 (0.9%)
  • 40 mph418 (1.2%)
  • 50 mph1,292 (3.9%)
  • 60 mph497 (1.5%)
  • 70 mph30,932 (92%)

Weather at the time

  • Fine, no high winds26,326 (79%)
  • Raining, no high winds4,229 (13%)
  • Raining with high winds549 (1.6%)
  • Fine with high winds445 (1.3%)
  • Other980 (2.9%)
  • Not recorded928 (2.8%)

Road surface

  • Dry24,072 (72%)
  • Wet or damp8,754 (26%)
  • Frost or ice242 (0.7%)
  • Flood over 3cm deep121 (0.4%)
  • Other127 (0.4%)
  • Not recorded141 (0.4%)

Type of road

  • Dual carriageway30,003 (90%)
  • One way street or slip road2,029 (6.1%)
  • Roundabout838 (2.5%)
  • Single carriageway426 (1.3%)
  • Not recorded161 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in M25 crashes

Car occupants make up 83% of the people killed or injured on the M25, followed by van occupants (5.3%).

Casualties by road user

  • Car occupant43,498 (83%)
  • Van occupant2,775 (5.3%)
  • Goods vehicle occupant (over 3.5 tonnes)2,254 (4.3%)
  • Motorcyclist2,062 (4%)
  • Bus or coach occupant433 (0.8%)
  • Minibus occupant406 (0.8%)
  • Other739 (1.4%)
  • Not recorded1 (under 0.1%)

Vehicles involved

  • Car57,275 (74%)
  • Goods vehicle over 3.5 tonnes11,538 (15%)
  • Van or goods vehicle up to 3.5 tonnes5,058 (6.5%)
  • Motorcycle2,022 (2.6%)
  • Other vehicle584 (0.8%)
  • Goods vehicle, weight unknown448 (0.6%)
  • Other741 (1%)
  • Not recorded49 (0.1%)

Casualties by age

  • 0 to 5804 (1.5%)
  • 6 to 101,019 (2%)
  • 11 to 151,110 (2.1%)
  • 16 to 203,968 (7.6%)
  • 21 to 257,211 (14%)
  • 26 to 3512,870 (25%)
  • 36 to 459,383 (18%)
  • 46 to 557,272 (14%)
  • 56 to 654,352 (8.3%)
  • 66 to 751,965 (3.8%)
  • Over 75895 (1.7%)
  • Not recorded1,319 (2.5%)

Drivers, passengers and pedestrians

  • Driver or rider34,544 (66%)
  • Passenger17,332 (33%)
  • Pedestrian292 (0.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the M25

Map of the 25 most recent crashes on the M25

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

M25 crashes by council area

Collisions on the M25 were recorded in 26 council areas. Runnymede has the most, with 2,981, followed by Sevenoaks (2,699) and Three Rivers (2,461).

Collisions on the M25 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stRunnymede2,9814,72524311
2ndSevenoaks2,6994,10252354
3rdThree Rivers2,4613,79928281
4thEpping Forest2,4563,57245383
5thReigate and Banstead2,4444,04635269
6thHertsmere2,4343,71930286
7thBuckinghamshire2,3563,64029256
8thTandridge2,2293,68633268
9thEnfield1,7972,82927224
10thMole Valley1,5292,43819164
11thSt Albans1,4402,23922183
12thSpelthorne1,1891,7526112
13thThurrock1,1421,76014149
14thBrentwood1,1351,71029142
15thHavering1,0891,61611113
16thElmbridge9201,569984
17thGuildford8291,382780
18thDartford7751,261778
19thHillingdon605814466
20thWoking417709242
21stBroxbourne263423328
22ndDacorum83111110
23rdWelwyn Hatfield467304
24thBarnet314815
25thSlough253204
26thBromley212813

M25 crashes by town

Collisions on the M25 were recorded in 24 towns and built-up areas, led by Byfleet, New Haw and West Byfleet (354) and Egham (281).

Recent crashes on the M25

These are the 25 most recent collisions on the M25, from 12 December to 31 December 2025.

Severity