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CrashStats

MK18 road accidents: crash map and statistics

Police recorded 3,748 road traffic collisions in the MK18 postcode district, Buckinghamshire, from 1979 to 2025, and 5,451 people were killed or injured in them. Of those collisions, 100 were fatal and 804 were serious.

In 2025 police recorded 29 collisions, down 31% on 2024 (42).

Collisions since 1979
3,748
975th highest of 2,813 postcode districts
Casualties
5,451
1.45 per collision
Fatal collisions
100
117 people killed
Serious collisions
804
1,031 seriously injured
Collisions in 2025
29
Down 31% on 2024
Casualties in 2025
35
Down 39% on 2024

Road collision statistics for MK18

Collisions by severity, 1979 to 2025

  • Fatal1002.7%
  • Serious80421%
  • Slight2,84476%

What the data shows

  • MK18 had 374 collisions from 2016 to 2025, 43% fewer than the 660 from 2006 to 2015.
  • 24% of collisions in MK18 were fatal or serious, against 20% across Great Britain.
  • 513 children under 16 were killed or injured in MK18, 9.5% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 42% of collisions in MK18.

Where MK18 ranks among 2,813 postcode districts

Most collisions
975th
Most casualties
852nd
Most fatal collisions
278th
Most serious collisions
725th

Collisions by day of the week

  • Monday533 (14%)
  • Tuesday545 (15%)
  • Wednesday538 (14%)
  • Thursday546 (15%)
  • Friday593 (16%)
  • Saturday500 (13%)
  • Sunday493 (13%)

Light conditions

  • Daylight2,734 (73%)
  • Dark, no street lighting686 (18%)
  • Dark, street lights lit264 (7%)
  • Dark, lighting unknown51 (1.4%)
  • Dark, street lights unlit10 (0.3%)
  • Not recorded3 (0.1%)

Type of road

  • Single carriageway3,504 (93%)
  • Roundabout166 (4.4%)
  • Dual carriageway50 (1.3%)
  • One way street or slip road16 (0.4%)
  • Not recorded12 (0.3%)

Speed limit at the scene

  • 30 mph920 (25%)
  • 40 mph162 (4.3%)
  • 50 mph75 (2%)
  • 60 mph2,557 (68%)
  • 70 mph33 (0.9%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,885 (77%)
  • Raining, no high winds460 (12%)
  • Fine with high winds74 (2%)
  • Fog or mist68 (1.8%)
  • Raining with high winds53 (1.4%)
  • Snowing, no high winds26 (0.7%)
  • Snowing with high winds6 (0.2%)
  • Other135 (3.6%)
  • Not recorded41 (1.1%)

Who was hurt

  • Car occupant3,785 (69%)
  • Motorcyclist663 (12%)
  • Pedestrian380 (7%)
  • Van occupant192 (3.5%)
  • Cyclist173 (3.2%)
  • Goods vehicle occupant (over 3.5 tonnes)102 (1.9%)
  • Bus or coach occupant71 (1.3%)
  • Taxi or private hire car occupant34 (0.6%)
  • Minibus occupant32 (0.6%)
  • Other vehicle occupant12 (0.2%)
  • Other7 (0.1%)

Source: Department for Transport, STATS19 road safety data

MK18 road accidents by year

Collisions and casualties in MK18, 1979 to 2025

Collisions in MK18 peaked at 128 in 1998; 2025 had 29.

  • Collisions
  • Collisions in 2025: 29
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252935
20244257
20233546
20222734
20212332
20203251
20194049
20184567
20175286
20164972
20155380
20145781
20136485
20125792
20116081
201071102
200977121
20085062
200781116
200690134
200587121
200483126
200393134
2002106143
200198148
2000109163
199999160
1998128164
1997110173
1996125199
199599157
1994102154
199390134
199288135
199195151
1990119169
1989106149
1988112163
198795131
198691120
1985116156
1984109177
1983117157
1982104142
198193136
19806086
197980120

Map of recent crashes in MK18

Map of the 24 most recent crashes in MK18

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 MK18

The 24 most recent collisions in MK18 happened between 20 March and 1 December 2025.

Severity

Crashes by road in MK18

The A413 has the most collisions in MK18, 1,000 of 3,748 (27%), followed by the A421 (707).

Collisions in MK18 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4131,0001,43431249
2ndA4217071,12230137
3rdA42257885117115
4thA4421396716
5thB4033334735
6thB40313141010
7thB4032181904

Council areas covering MK18

Collisions in MK18 were recorded in 3 council areas. Buckinghamshire has 3,569 of 3,748 (95%).

Collisions in MK18 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stBuckinghamshire3,5695,16996764
2ndCherwell171271438
3rdWest Northamptonshire5601

Towns in MK18

Collisions in MK18 were recorded in 2 towns, led by Buckingham (686) and Winslow (133).