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CrashStats

Chiltern road accidents in 2017: crash map and statistics

Police recorded 112 road traffic collisions in Chiltern in 2017, and 144 people were killed or injured in them. Of those collisions, 4 were fatal and 24 were serious.

Collisions were down 6% on 2016 (119), and casualties fell from 161.

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 2017
112
Down 6% on 2016
Casualties in 2017
144
Down 11% on 2016
Fatal collisions
4
3.6% of collisions
Serious collisions
24
21% of collisions

Crash severity in Chiltern in 2017

3.6% of collisions in Chiltern in 2017 were fatal and 21% serious, against 1.8% and 20% in Chiltern from 1979 to 2025.

Collisions by worst injury

  • Fatal43.6%
  • Serious2421%
  • Slight8475%

People hurt, by injury

  • Fatal42.8%
  • Serious2417%
  • Slight11681%

Chiltern road accidents by year

Collisions and casualties in Chiltern, 1979 to 2025

Collisions peaked at 400 in 1984. 2017 is highlighted, with 112, down 6% on 2016.

  • Collisions
  • Collisions in 2017: 112
  • 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 2017

Collisions by day of the week

  • Monday15 (13%)
  • Tuesday21 (19%)
  • Wednesday14 (13%)
  • Thursday16 (14%)
  • Friday14 (13%)
  • Saturday18 (16%)
  • Sunday14 (13%)

Collisions by time of day

  • 00:00 to 02:593 (2.7%)
  • 03:00 to 05:591 (0.9%)
  • 06:00 to 08:5927 (24%)
  • 09:00 to 11:5920 (18%)
  • 12:00 to 14:5918 (16%)
  • 15:00 to 17:5922 (20%)
  • 18:00 to 20:5916 (14%)
  • 21:00 to 23:595 (4.5%)

Collisions by month

  • January4 (3.6%)
  • February8 (7.1%)
  • March5 (4.5%)
  • April11 (9.8%)
  • May12 (11%)
  • June17 (15%)
  • July13 (12%)
  • August12 (11%)
  • September11 (9.8%)
  • October3 (2.7%)
  • November13 (12%)
  • December3 (2.7%)

Light conditions

  • Daylight89 (79%)
  • Dark, no street lighting12 (11%)
  • Dark, street lights lit7 (6.3%)
  • Dark, lighting unknown4 (3.6%)

Weather at the time

  • Fine, no high winds94 (84%)
  • Raining, no high winds13 (12%)
  • Other4 (3.6%)
  • Not recorded1 (0.9%)

Road surface

  • Dry83 (74%)
  • Wet or damp28 (25%)
  • Frost or ice1 (0.9%)

Speed limit at the scene

  • 30 mph61 (54%)
  • 40 mph16 (14%)
  • 50 mph9 (8%)
  • 60 mph20 (18%)
  • 70 mph6 (5.4%)

Type of road

  • Single carriageway99 (88%)
  • Roundabout8 (7.1%)
  • Dual carriageway5 (4.5%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Chiltern in 2017

Casualties by road user

  • Car occupant84 (58%)
  • Cyclist20 (14%)
  • Pedestrian18 (13%)
  • Motorcyclist16 (11%)
  • Van occupant3 (2.1%)
  • Taxi or private hire car occupant2 (1.4%)
  • Mobility scooter rider1 (0.7%)

Casualties by age

  • 0 to 54 (2.8%)
  • 6 to 105 (3.5%)
  • 11 to 159 (6.3%)
  • 16 to 2014 (9.7%)
  • 21 to 256 (4.2%)
  • 26 to 3521 (15%)
  • 36 to 4527 (19%)
  • 46 to 5524 (17%)
  • 56 to 6516 (11%)
  • 66 to 759 (6.3%)
  • Over 759 (6.3%)

Drivers, passengers and pedestrians

  • Driver or rider101 (70%)
  • Passenger25 (17%)
  • Pedestrian18 (13%)

Vehicles involved

  • Car143 (69%)
  • Pedal cycle21 (10%)
  • Motorcycle18 (8.7%)
  • Van or goods vehicle up to 3.5 tonnes12 (5.8%)
  • Taxi or private hire car5 (2.4%)
  • Bus or coach3 (1.5%)
  • Other vehicle2 (1%)
  • Goods vehicle over 3.5 tonnes1 (0.5%)
  • Mobility scooter1 (0.5%)

Source: Department for Transport, STATS19 road safety data

Crash map for Chiltern in 2017

Map of the last 24 crashes of 2017 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
  • Fatal
  • Serious
  • Slight

Accident hotspots (10)

Accident hotspots in Chiltern in 2017

Amersham & Chesham Bois, Buckinghamshire, HP6 5AH area was the busiest accident hotspot in Chiltern in 2017, with 12 collisions, 1 of them serious.

Roads in Chiltern with the most crashes in 2017

The A404 and A416 had the most collisions in Chiltern in 2017, with 10 each.

Roads ranked by collisions in Chiltern, 2017
RankRoadCollisionsCasualtiesFatalSerious
1stA404101400
2ndA416101101
3rdA4137914
4thB4854601
5thM254701
6thA41543301
7thB44423311
8thA3552300
9thB4742300
10thA401100
11thA41281200
12thB44411200
13thB45051101

Towns in Chiltern: crashes in 2017

Chesham had the most collisions of any town in Chiltern in 2017: 21.

Postcode districts in Chiltern: crashes in 2017

HP5 had the most collisions of any postcode district in Chiltern in 2017: 33.

Buckinghamshire and its former districts in 2017

Buckinghamshire recorded 779 collisions in 2017, and 14% of them were in the old Chiltern district.

Other former districts in Buckinghamshire

Latest crashes in Chiltern in 2017

Of the last 24 crashes in Chiltern in 2017, 1 was fatal and 4 were serious. The last was on 18 December 2017.

Severity

Chiltern road accidents in other years