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CrashStats

MK4 road accidents: crash map and statistics

Collisions since 1979
1,042
2,187th of 2,813 postcode districts, highest first
Casualties
1,630
1.56 per collision
Fatal collisions
21
23 people killed
Serious collisions
157
191 seriously injured
Collisions in 2025
17
15 in 2024
Casualties in 2025
19
Down 10% on 2024

Road collision statistics for MK4

Collisions by severity, 1979 to 2025

  • Fatal212%
  • Serious15715%
  • Slight86483%

What the data shows

  • MK4 had 156 collisions from 2016 to 2025, 47% fewer than the 297 from 2006 to 2015.
  • 17% of collisions in MK4 were fatal or serious, against 20% across Great Britain.
  • 166 children under 16 were killed or injured in MK4, 10% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 36% of collisions in MK4.

Where MK4 ranks among 2,813 postcode districts

Most collisions
2,187th
Most casualties
2,131st
Most fatal collisions
2,133rd
Most serious collisions
2,337th

Collisions by day of the week

  • Monday118 (11%)
  • Tuesday153 (15%)
  • Wednesday153 (15%)
  • Thursday149 (14%)
  • Friday189 (18%)
  • Saturday153 (15%)
  • Sunday127 (12%)

Light conditions

  • Daylight753 (72%)
  • Dark, street lights lit240 (23%)
  • Dark, no street lighting24 (2.3%)
  • Dark, lighting unknown20 (1.9%)
  • Dark, street lights unlit5 (0.5%)

Type of road

  • Single carriageway728 (70%)
  • Dual carriageway180 (17%)
  • Roundabout131 (13%)
  • One way street or slip road1 (0.1%)
  • Not recorded2 (0.2%)

Speed limit at the scene

  • 30 mph213 (20%)
  • 40 mph12 (1.2%)
  • 50 mph2 (0.2%)
  • 60 mph618 (59%)
  • 70 mph197 (19%)

Weather at the time

  • Fine, no high winds848 (81%)
  • Raining, no high winds111 (11%)
  • Raining with high winds16 (1.5%)
  • Fine with high winds13 (1.2%)
  • Fog or mist12 (1.2%)
  • Snowing, no high winds6 (0.6%)
  • Snowing with high winds1 (0.1%)
  • Other25 (2.4%)
  • Not recorded10 (1%)

Who was hurt

  • Car occupant1,232 (76%)
  • Motorcyclist137 (8.4%)
  • Cyclist93 (5.7%)
  • Pedestrian69 (4.2%)
  • Van occupant31 (1.9%)
  • Taxi or private hire car occupant24 (1.5%)
  • Goods vehicle occupant (over 3.5 tonnes)20 (1.2%)
  • Bus or coach occupant13 (0.8%)
  • Other vehicle occupant6 (0.4%)
  • Minibus occupant2 (0.1%)
  • Not recorded3 (0.2%)

Source: Department for Transport, STATS19 road safety data

MK4 road accidents by year

Collisions and casualties in MK4, 1979 to 2025

Collisions in MK4 peaked at 42 in 2004; 2025 had 17.

  • Collisions
  • Collisions in 2025: 17
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251719
20241521
2023610
20221319
20211325
20201418
20191418
20182233
20172034
20162230
20152636
20143151
20133258
20123665
20112233
20102852
20092640
20083055
20073149
20063555
20053774
20044258
20033050
20022848
20012951
20003249
19993164
19982950
19973249
19962334
19952638
19941823
19932027
19921732
199179
19902432
19892640
19881420
19872430
19862834
1985912
19841319
19831217
19821319
1981911
198022
19791417

Map of recent crashes in MK4

Map of the 24 most recent crashes in MK4

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in MK4

The 24 most recent collisions in MK4 happened between 4 August 2024 and 11 December 2025.

Severity

Crashes by road in MK4

The A421 has the most collisions in MK4, 358 of 1,042 (34%), followed by the A5 (29).

Collisions in MK4 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4213585311054
2ndA5293708
3rdB40344500

Council areas covering MK4

Collisions in MK4 were recorded in 2 council areas. Milton Keynes has 1,019 of 1,042 (98%).

Collisions in MK4 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stMilton Keynes1,0191,59020150
2ndBuckinghamshire234017

Town in MK4

Of the 1,042 collisions in MK4, 234 (22%) were in Milton Keynes.