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CrashStats

Chiltern road accidents in 2023: crash map and statistics

Police recorded 83 road traffic collisions in Chiltern in 2023, and 97 people were killed or injured in them. Of those collisions, none were fatal and 28 were serious.

Collisions were down 1% on 2022 (84), and casualties fell from 105.

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 2023
83
Down 1% on 2022
Casualties in 2023
97
Down 8% on 2022
Fatal collisions
0
0% of collisions
Serious collisions
28
34% of collisions

Crash severity in Chiltern in 2023

None of the collisions in Chiltern in 2023 were fatal and 34% were serious, against 1.8% and 20% in Chiltern from 1979 to 2025.

Collisions by worst injury

  • Fatal00%
  • Serious2834%
  • Slight5566%

People hurt, by injury

  • Fatal00%
  • Serious3031%
  • Slight6769%

Chiltern road accidents by year

Collisions and casualties in Chiltern, 1979 to 2025

Collisions peaked at 400 in 1984. 2023 is highlighted, with 83, down 1% on 2022.

  • Collisions
  • Collisions in 2023: 83
  • 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 2023

Collisions by day of the week

  • Monday11 (13%)
  • Tuesday10 (12%)
  • Wednesday18 (22%)
  • Thursday15 (18%)
  • Friday8 (9.6%)
  • Saturday10 (12%)
  • Sunday11 (13%)

Collisions by time of day

  • 00:00 to 02:595 (6%)
  • 03:00 to 05:592 (2.4%)
  • 06:00 to 08:5913 (16%)
  • 09:00 to 11:5915 (18%)
  • 12:00 to 14:5918 (22%)
  • 15:00 to 17:5915 (18%)
  • 18:00 to 20:5911 (13%)
  • 21:00 to 23:594 (4.8%)

Collisions by month

  • January9 (11%)
  • February6 (7.2%)
  • March17 (20%)
  • April5 (6%)
  • May4 (4.8%)
  • June8 (9.6%)
  • July5 (6%)
  • August7 (8.4%)
  • September2 (2.4%)
  • October8 (9.6%)
  • November8 (9.6%)
  • December4 (4.8%)

Light conditions

  • Daylight58 (70%)
  • Dark, street lights lit17 (20%)
  • Dark, no street lighting5 (6%)
  • Dark, street lights unlit2 (2.4%)
  • Dark, lighting unknown1 (1.2%)

Weather at the time

  • Fine, no high winds63 (76%)
  • Raining, no high winds14 (17%)
  • Raining with high winds1 (1.2%)
  • Other4 (4.8%)
  • Not recorded1 (1.2%)

Road surface

  • Dry54 (65%)
  • Wet or damp26 (31%)
  • Flood over 3cm deep1 (1.2%)
  • Frost or ice1 (1.2%)
  • Not recorded1 (1.2%)

Speed limit at the scene

  • 30 mph61 (73%)
  • 40 mph6 (7.2%)
  • 50 mph4 (4.8%)
  • 60 mph8 (9.6%)
  • 70 mph4 (4.8%)

Type of road

  • Single carriageway63 (76%)
  • Roundabout12 (14%)
  • Dual carriageway6 (7.2%)
  • One way street or slip road2 (2.4%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Chiltern in 2023

Casualties by road user

  • Car occupant49 (51%)
  • Pedestrian20 (21%)
  • Motorcyclist15 (15%)
  • Cyclist8 (8.2%)
  • Van occupant2 (2.1%)
  • Mobility scooter rider1 (1%)
  • Other vehicle occupant1 (1%)
  • Taxi or private hire car occupant1 (1%)

Casualties by age

  • 6 to 101 (1%)
  • 11 to 155 (5.2%)
  • 16 to 209 (9.3%)
  • 21 to 257 (7.2%)
  • 26 to 3519 (20%)
  • 36 to 4519 (20%)
  • 46 to 5514 (14%)
  • 56 to 6511 (11%)
  • 66 to 757 (7.2%)
  • Over 755 (5.2%)

Drivers, passengers and pedestrians

  • Driver or rider65 (67%)
  • Pedestrian20 (21%)
  • Passenger12 (12%)

Vehicles involved

  • Car101 (70%)
  • Motorcycle14 (9.7%)
  • Van or goods vehicle up to 3.5 tonnes12 (8.3%)
  • Pedal cycle9 (6.2%)
  • Taxi or private hire car3 (2.1%)
  • Goods vehicle over 3.5 tonnes2 (1.4%)
  • Minibus1 (0.7%)
  • Mobility scooter1 (0.7%)
  • Other vehicle1 (0.7%)
  • Personal powered transporter (e-scooter or similar)1 (0.7%)

Source: Department for Transport, STATS19 road safety data

Crash map for Chiltern in 2023

Map of the last 24 crashes of 2023 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 2023

Amersham & Chesham Bois, Buckinghamshire, HP6 5AH area was the busiest accident hotspot in Chiltern in 2023, with 11 collisions, 2 of them serious.

Roads in Chiltern with the most crashes in 2023

The A416 had the most collisions in Chiltern in 2023: 13, including 3 serious.

Roads ranked by collisions in Chiltern, 2023
RankRoadCollisionsCasualtiesFatalSerious
1stA416131303
2ndA413101005
3rdA40491103
4thB4744702
5thA41283302
6thM252200
7thA3551100
8thA41541100
9thB4161100
10thB44411100
11thB44431100
12thB45051100
13thB4851301

Towns in Chiltern: crashes in 2023

Amersham had the most collisions of any town in Chiltern in 2023: 20.

Postcode districts in Chiltern: crashes in 2023

HP5 had the most collisions of any postcode district in Chiltern in 2023: 20.

Buckinghamshire and its former districts in 2023

Buckinghamshire recorded 683 collisions in 2023, and 12% of them were in the old Chiltern district.

Other former districts in Buckinghamshire

Latest crashes in Chiltern in 2023

Of the last 24 crashes in Chiltern in 2023, none were fatal and 9 were serious. The last was on 25 December 2023.

Severity

Chiltern road accidents in other years