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CrashStats

Chiltern road accidents in 2011: crash map and statistics

Police recorded 144 road traffic collisions in Chiltern in 2011, and 189 people were killed or injured in them. Of those collisions, 1 was fatal and 23 were serious.

Collisions were down 9% on 2010 (159), and casualties fell from 239.

Across all years from 1979 to 2025, police recorded 10,784 collisions in Chiltern.

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

Collisions in 2011
144
Down 9% on 2010
Casualties in 2011
189
Down 21% on 2010
Fatal collisions
1
0.7% of collisions
Serious collisions
23
16% of collisions

Crash severity in Chiltern in 2011

0.7% of collisions in Chiltern in 2011 were fatal and 16% serious, against 1.8% and 20% in Chiltern from 1979 to 2025.

Collisions by worst injury

  • Fatal10.7%
  • Serious2316%
  • Slight12083%

People hurt, by injury

  • Fatal10.5%
  • Serious3016%
  • Slight15884%

Chiltern road accidents by year

Collisions and casualties in Chiltern, 1979 to 2025

Collisions peaked at 400 in 1984. 2011 is highlighted, with 144, down 9% on 2010.

  • Collisions
  • Collisions in 2011: 144
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20257481
20247392
20238397
202284105
20217789
20207796
2019106134
2018113152
2017112144
2016119161
2015120156
2014139188
2013137199
2012159213
2011144189
2010159239
2009200278
2008190259
2007206273
2006240348
2005251362
2004245334
2003242315
2002256347
2001286392
2000298425
1999295392
1998314433
1997306409
1996303401
1995262380
1994284383
1993296409
1992319417
1991262365
1990304428
1989318431
1988354486
1987303397
1986359476
1985350502
1984400524
1983331430
1982363471
1981351476
1980195248
1979325443

When and where crashes happen in Chiltern in 2011

Collisions by day of the week

  • Monday20 (14%)
  • Tuesday21 (15%)
  • Wednesday18 (13%)
  • Thursday25 (17%)
  • Friday26 (18%)
  • Saturday26 (18%)
  • Sunday8 (5.6%)

Collisions by time of day

  • 00:00 to 02:598 (5.6%)
  • 03:00 to 05:593 (2.1%)
  • 06:00 to 08:5917 (12%)
  • 09:00 to 11:5914 (9.7%)
  • 12:00 to 14:5930 (21%)
  • 15:00 to 17:5934 (24%)
  • 18:00 to 20:5923 (16%)
  • 21:00 to 23:5915 (10%)

Collisions by month

  • January11 (7.6%)
  • February8 (5.6%)
  • March14 (9.7%)
  • April10 (6.9%)
  • May12 (8.3%)
  • June6 (4.2%)
  • July13 (9%)
  • August7 (4.9%)
  • September11 (7.6%)
  • October14 (9.7%)
  • November19 (13%)
  • December19 (13%)

Light conditions

  • Daylight88 (61%)
  • Dark, no street lighting23 (16%)
  • Dark, street lights lit23 (16%)
  • Dark, lighting unknown6 (4.2%)
  • Dark, street lights unlit4 (2.8%)

Weather at the time

  • Fine, no high winds124 (86%)
  • Raining, no high winds11 (7.6%)
  • Fine with high winds1 (0.7%)
  • Fog or mist1 (0.7%)
  • Raining with high winds1 (0.7%)
  • Other4 (2.8%)
  • Not recorded2 (1.4%)

Road surface

  • Dry107 (74%)
  • Wet or damp33 (23%)
  • Frost or ice3 (2.1%)
  • Flood over 3cm deep1 (0.7%)

Speed limit at the scene

  • 30 mph75 (52%)
  • 40 mph11 (7.6%)
  • 50 mph17 (12%)
  • 60 mph38 (26%)
  • 70 mph3 (2.1%)

Type of road

  • Single carriageway124 (86%)
  • Roundabout11 (7.6%)
  • Dual carriageway3 (2.1%)
  • One way street or slip road2 (1.4%)
  • Not recorded4 (2.8%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Chiltern in 2011

Casualties by road user

  • Car occupant121 (64%)
  • Motorcyclist27 (14%)
  • Pedestrian22 (12%)
  • Cyclist12 (6.3%)
  • Bus or coach occupant2 (1.1%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (1.1%)
  • Van occupant2 (1.1%)
  • Horse rider1 (0.5%)

Casualties by age

  • 0 to 51 (0.5%)
  • 6 to 104 (2.1%)
  • 11 to 159 (4.8%)
  • 16 to 2034 (18%)
  • 21 to 2524 (13%)
  • 26 to 3536 (19%)
  • 36 to 4531 (16%)
  • 46 to 5519 (10%)
  • 56 to 6514 (7.4%)
  • 66 to 758 (4.2%)
  • Over 759 (4.8%)

Drivers, passengers and pedestrians

  • Driver or rider133 (70%)
  • Passenger34 (18%)
  • Pedestrian22 (12%)

Vehicles involved

  • Car203 (77%)
  • Motorcycle27 (10%)
  • Pedal cycle12 (4.6%)
  • Goods vehicle over 3.5 tonnes8 (3%)
  • Van or goods vehicle up to 3.5 tonnes6 (2.3%)
  • Taxi or private hire car3 (1.1%)
  • Bus or coach2 (0.8%)
  • Minibus1 (0.4%)
  • Ridden horse1 (0.4%)

Source: Department for Transport, STATS19 road safety data

Crash map for Chiltern in 2011

Map of the last 24 crashes of 2011 and the 10 busiest accident hotspots in Chiltern

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 Chiltern in 2011

Chesham South, Buckinghamshire, HP5 2HE area was the busiest accident hotspot in Chiltern in 2011, with 13 collisions, 1 of them fatal.

Roads in Chiltern with the most crashes in 2011

The A416 had the most collisions in Chiltern in 2011: 27, including 1 fatal and 4 serious.

Roads ranked by collisions in Chiltern, 2011
RankRoadCollisionsCasualtiesFatalSerious
1stA416272914
2ndA413202705
3rdA355101603
4thA4045800
5thB47451101
6thB44424400
7thA403401
8thA41283300
9thB4853301
10thA41542400
11thB4162200
12thB44412201
13thM252200

Towns in Chiltern: crashes in 2011

Chesham had the most collisions of any town in Chiltern in 2011: 25.

Postcode districts in Chiltern: crashes in 2011

HP5 had the most collisions of any postcode district in Chiltern in 2011: 39.

Buckinghamshire and its former districts in 2011

Buckinghamshire recorded 1,242 collisions in 2011, and 12% of them were in the old Chiltern district.

Other former districts in Buckinghamshire

Latest crashes in Chiltern in 2011

Of the last 24 crashes in Chiltern in 2011, none were fatal and 4 were serious. The last was on 31 December 2011.

Severity

Chiltern road accidents in other years