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CrashStats

South Bucks road accidents: crash map and statistics

Police recorded 15,877 road traffic collisions in South Bucks from 1979 to 2025, and 22,463 people were killed or injured in them. Of those collisions, 337 were fatal and 2,649 were serious.

In 2025 police recorded 157 collisions, up 38% on 2024 (114), and casualties rose from 144 to 208.

District council until April 2020, now part of Buckinghamshire. Figures follow the old district boundary.

Collisions, 1979 to 2025
15,877
Casualties
22,463
1.41 per collision
Fatal collisions
337
2.1% of collisions
Collisions in 2025
157
Up 38% on 2024

Crash severity in South Bucks

2.1% of collisions in South Bucks from 1979 to 2025 were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by worst injury

  • Fatal3372.1%
  • Serious2,64917%
  • Slight12,89181%

People hurt, by injury

  • Fatal3711.7%
  • Serious3,28715%
  • Slight18,80584%

South Bucks road accidents by year

Collisions and casualties in South Bucks, 1979 to 2025

Collisions peaked at 492 in 1997. In 2025 there were 157, up 38% on 2024.

  • Collisions
  • Collisions in 2025: 157
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025157208
2024114144
2023106132
2022148197
2021151200
2020122152
2019175240
2018201271
2017177244
2016215292
2015228312
2014249352
2013271377
2012286425
2011309431
2010318452
2009308440
2008355500
2007375669
2006411587
2005390572
2004392565
2003407549
2002425610
2001444642
2000489697
1999490707
1998458647
1997492704
1996457654
1995370497
1994459645
1993437624
1992416594
1991425604
1990416593
1989463670
1988443621
1987408631
1986379555
1985403578
1984425557
1983385521
1982354483
1981353484
1980246315
1979375519

When and where crashes happen in South Bucks

Collisions by day of the week

  • Monday2,264 (14%)
  • Tuesday2,205 (14%)
  • Wednesday2,353 (15%)
  • Thursday2,405 (15%)
  • Friday2,699 (17%)
  • Saturday2,100 (13%)
  • Sunday1,851 (12%)

Collisions by time of day

  • 00:00 to 02:59672 (4.2%)
  • 03:00 to 05:59342 (2.2%)
  • 06:00 to 08:592,333 (15%)
  • 09:00 to 11:592,399 (15%)
  • 12:00 to 14:592,588 (16%)
  • 15:00 to 17:593,526 (22%)
  • 18:00 to 20:592,473 (16%)
  • 21:00 to 23:591,544 (9.7%)

Collisions by month

  • January1,262 (7.9%)
  • February1,098 (6.9%)
  • March1,250 (7.9%)
  • April1,146 (7.2%)
  • May1,341 (8.4%)
  • June1,308 (8.2%)
  • July1,390 (8.8%)
  • August1,304 (8.2%)
  • September1,352 (8.5%)
  • October1,480 (9.3%)
  • November1,538 (9.7%)
  • December1,408 (8.9%)

Light conditions

  • Daylight11,022 (69%)
  • Dark, street lights lit2,994 (19%)
  • Dark, no street lighting1,426 (9%)
  • Dark, lighting unknown327 (2.1%)
  • Dark, street lights unlit96 (0.6%)
  • Not recorded12 (0.1%)

Weather at the time

  • Fine, no high winds12,665 (80%)
  • Raining, no high winds1,907 (12%)
  • Fine with high winds193 (1.2%)
  • Raining with high winds171 (1.1%)
  • Fog or mist133 (0.8%)
  • Snowing, no high winds68 (0.4%)
  • Snowing with high winds12 (0.1%)
  • Other473 (3%)
  • Not recorded255 (1.6%)

Road surface

  • Dry10,316 (65%)
  • Wet or damp4,943 (31%)
  • Frost or ice351 (2.2%)
  • Snow73 (0.5%)
  • Flood over 3cm deep29 (0.2%)
  • Mud8 (0.1%)
  • Oil or diesel7 (under 0.1%)
  • Not recorded150 (0.9%)

Speed limit at the scene

  • 20 mph3 (under 0.1%)
  • 30 mph3,998 (25%)
  • 40 mph1,882 (12%)
  • 50 mph1,201 (7.6%)
  • 60 mph3,642 (23%)
  • 70 mph5,143 (32%)
  • Not recorded8 (0.1%)

Type of road

  • Single carriageway8,892 (56%)
  • Dual carriageway5,231 (33%)
  • Roundabout1,181 (7.4%)
  • One way street or slip road505 (3.2%)
  • Not recorded68 (0.4%)

Source: Department for Transport, STATS19 road safety data

Who is hurt in road crashes in South Bucks

Casualties by road user

  • Car occupant16,405 (73%)
  • Motorcyclist2,235 (9.9%)
  • Pedestrian1,220 (5.4%)
  • Cyclist1,036 (4.6%)
  • Van occupant735 (3.3%)
  • Goods vehicle occupant (over 3.5 tonnes)336 (1.5%)
  • Bus or coach occupant202 (0.9%)
  • Minibus occupant101 (0.4%)
  • Taxi or private hire car occupant99 (0.4%)
  • Other vehicle occupant73 (0.3%)
  • Other18 (0.1%)
  • Not recorded3 (under 0.1%)

Casualties by age

  • 0 to 5322 (1.4%)
  • 6 to 10468 (2.1%)
  • 11 to 15805 (3.6%)
  • 16 to 203,504 (16%)
  • 21 to 253,258 (15%)
  • 26 to 354,983 (22%)
  • 36 to 453,273 (15%)
  • 46 to 552,390 (11%)
  • 56 to 651,509 (6.7%)
  • 66 to 75879 (3.9%)
  • Over 75601 (2.7%)
  • Not recorded471 (2.1%)

Drivers, passengers and pedestrians

  • Driver or rider15,212 (68%)
  • Passenger6,031 (27%)
  • Pedestrian1,220 (5.4%)

Vehicles involved

  • Car24,935 (77%)
  • Motorcycle2,246 (7%)
  • Goods vehicle over 3.5 tonnes1,716 (5.3%)
  • Van or goods vehicle up to 3.5 tonnes1,612 (5%)
  • Pedal cycle1,071 (3.3%)
  • Bus or coach194 (0.6%)
  • Other vehicle167 (0.5%)
  • Taxi or private hire car144 (0.4%)
  • Minibus86 (0.3%)
  • Goods vehicle, weight unknown46 (0.1%)
  • Other21 (0.1%)
  • Not recorded65 (0.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes and hotspots in South Bucks

Map of the 24 most recent crashes and the 10 busiest accident hotspots in South Bucks

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

Accident hotspots in South Bucks

Beaconsfield, Buckinghamshire, HP9 2GE area is the busiest accident hotspot in South Bucks, with 352 collisions from 2001 to 2025, 7 of them fatal.

Roads in South Bucks with the most crashes

The M25 had the most collisions in South Bucks from 1979 to 2025: 2,196, including 28 fatal and 239 serious.

Roads ranked by collisions in South Bucks, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stM252,1963,37928239
2ndA401,9202,67734354
3rdM401,4812,26241220
4thA4121,2251,70642262
5thA3551,0881,57033168
6thB4168411,17721146
7thA46808933119
8thM45308001472
9thB470350470978
10thB474285332047
11thA4007206270636
12thA4020199261344
13thA4131853112045
14thB3026144204627
15thB4440162402
16thA40103300
17thA3082601
18thA40942200
19thA11100
20thA1241101

Towns in South Bucks

Slough had the most collisions of any town in South Bucks from 1979 to 2025: 1,111.

Postcode districts in South Bucks

SL0 had the most collisions of any postcode district in South Bucks from 1979 to 2025: 3,149.

Buckinghamshire and its former districts

Buckinghamshire recorded 72,942 collisions from 1979 to 2025, and 22% of them were in the old South Bucks district.

Other former districts in Buckinghamshire

Latest crashes in South Bucks

Of the latest 24 crashes in South Bucks, none were fatal and 10 were serious. The most recent was on 23 December 2025.

Severity