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CrashStats

South Bucks road accidents in 2011: crash map and statistics

Police recorded 309 road traffic collisions in South Bucks in 2011, and 431 people were killed or injured in them. Of those collisions, 6 were fatal and 35 were serious.

Collisions were down 3% on 2010 (318), and casualties fell from 452.

Across all years from 1979 to 2025, police recorded 15,877 collisions in South Bucks.

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

Collisions in 2011
309
Down 3% on 2010
Casualties in 2011
431
Down 5% on 2010
Fatal collisions
6
1.9% of collisions
Serious collisions
35
11% of collisions

Crash severity in South Bucks in 2011

1.9% of collisions in South Bucks in 2011 were fatal and 11% serious, against 2.1% and 17% in South Bucks from 1979 to 2025.

Collisions by worst injury

  • Fatal61.9%
  • Serious3511%
  • Slight26887%

People hurt, by injury

  • Fatal61.4%
  • Serious4310%
  • Slight38289%

South Bucks road accidents by year

Collisions and casualties in South Bucks, 1979 to 2025

Collisions peaked at 492 in 1997. 2011 is highlighted, with 309, down 3% on 2010.

  • Collisions
  • Collisions in 2011
  • 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 in 2011

Collisions by day of the week

  • Monday51 (17%)
  • Tuesday42 (14%)
  • Wednesday45 (15%)
  • Thursday49 (16%)
  • Friday55 (18%)
  • Saturday41 (13%)
  • Sunday26 (8.4%)

Collisions by time of day

  • 00:00 to 02:5910 (3.2%)
  • 03:00 to 05:5912 (3.9%)
  • 06:00 to 08:5944 (14%)
  • 09:00 to 11:5948 (16%)
  • 12:00 to 14:5943 (14%)
  • 15:00 to 17:5967 (22%)
  • 18:00 to 20:5962 (20%)
  • 21:00 to 23:5923 (7.4%)

Collisions by month

  • January27 (8.7%)
  • February15 (4.9%)
  • March17 (5.5%)
  • April21 (6.8%)
  • May23 (7.4%)
  • June25 (8.1%)
  • July19 (6.1%)
  • August26 (8.4%)
  • September44 (14%)
  • October33 (11%)
  • November28 (9.1%)
  • December31 (10%)

Light conditions

  • Daylight196 (63%)
  • Dark, street lights lit83 (27%)
  • Dark, no street lighting19 (6.1%)
  • Dark, lighting unknown6 (1.9%)
  • Dark, street lights unlit5 (1.6%)

Weather at the time

  • Fine, no high winds267 (86%)
  • Raining, no high winds20 (6.5%)
  • Fine with high winds5 (1.6%)
  • Fog or mist2 (0.6%)
  • Raining with high winds2 (0.6%)
  • Snowing with high winds1 (0.3%)
  • Other6 (1.9%)
  • Not recorded6 (1.9%)

Road surface

  • Dry236 (76%)
  • Wet or damp67 (22%)
  • Frost or ice6 (1.9%)

Speed limit at the scene

  • 30 mph94 (30%)
  • 40 mph47 (15%)
  • 50 mph16 (5.2%)
  • 60 mph31 (10%)
  • 70 mph121 (39%)

Type of road

  • Single carriageway148 (48%)
  • Dual carriageway118 (38%)
  • Roundabout26 (8.4%)
  • One way street or slip road13 (4.2%)
  • Not recorded4 (1.3%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in South Bucks in 2011

Casualties by road user

  • Car occupant319 (74%)
  • Motorcyclist35 (8.1%)
  • Pedestrian32 (7.4%)
  • Cyclist21 (4.9%)
  • Van occupant13 (3%)
  • Goods vehicle occupant (over 3.5 tonnes)5 (1.2%)
  • Minibus occupant3 (0.7%)
  • Taxi or private hire car occupant2 (0.5%)
  • Bus or coach occupant1 (0.2%)

Casualties by age

  • 0 to 57 (1.6%)
  • 6 to 109 (2.1%)
  • 11 to 1514 (3.2%)
  • 16 to 2049 (11%)
  • 21 to 2558 (13%)
  • 26 to 35108 (25%)
  • 36 to 4574 (17%)
  • 46 to 5550 (12%)
  • 56 to 6531 (7.2%)
  • 66 to 7520 (4.6%)
  • Over 758 (1.9%)
  • Not recorded3 (0.7%)

Drivers, passengers and pedestrians

  • Driver or rider310 (72%)
  • Passenger89 (21%)
  • Pedestrian32 (7.4%)

Vehicles involved

  • Car503 (80%)
  • Motorcycle37 (5.9%)
  • Van or goods vehicle up to 3.5 tonnes32 (5.1%)
  • Goods vehicle over 3.5 tonnes26 (4.1%)
  • Pedal cycle22 (3.5%)
  • Taxi or private hire car5 (0.8%)
  • Bus or coach3 (0.5%)
  • Minibus3 (0.5%)
  • Other vehicle1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for South Bucks in 2011

Map of the last 24 crashes of 2011 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
  • Fatal
  • Serious
  • Slight

Accident hotspots (10)

Accident hotspots in South Bucks in 2011

Gerrards Cross & Denham, Buckinghamshire, UB9 4DW area and Iver, Buckinghamshire, SL0 0NY area were among the busiest accident hotspots in South Bucks in 2011, with 19 collisions each.

Roads in South Bucks with the most crashes in 2011

The M25 had the most collisions in South Bucks in 2011: 52, including 1 fatal and 3 serious.

Roads ranked by collisions in South Bucks, 2011
RankRoadCollisionsCasualtiesFatalSerious
1stM25528313
2ndM40436406
3rdA40304113
4thA355202601
5thA412121521
6thM4111103
7thA4101101
8thB41691301
9thA402061001
10thB4706602
11thA41351220
12thB30264500
13thB4744500
14thA40072300
15thB44401100

Towns in South Bucks: crashes in 2011

Slough had the most collisions of any town in South Bucks in 2011: 21.

Postcode districts in South Bucks: crashes in 2011

SL0 had the most collisions of any postcode district in South Bucks in 2011: 64.

Buckinghamshire and its former districts in 2011

Buckinghamshire recorded 1,242 collisions in 2011, and 25% of them were in the old South Bucks district.

Other former districts in Buckinghamshire

Latest crashes in South Bucks in 2011

Of the last 24 crashes in South Bucks in 2011, 1 was fatal and 2 were serious. The last was on 31 December 2011.

Severity

South Bucks road accidents in other years