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CrashStats

Buckinghamshire road accidents in 2020: crash map and statistics

Police recorded 599 road traffic collisions in Buckinghamshire in 2020, and 777 people were killed or injured in them. Of those collisions, 18 were fatal and 120 were serious.

Collisions were down 24% on 2019 (788), and casualties fell from 1,015.

Across all years from 1979 to 2025, police recorded 72,942 collisions in Buckinghamshire.

Collisions in 2020
599
Down 24% on 2019
Casualties in 2020
777
Down 23% on 2019
Fatal collisions
18
3% of collisions
Serious collisions
120
20% of collisions

Crash severity in Buckinghamshire in 2020

3% of collisions in Buckinghamshire in 2020 were fatal and 20% serious, against 1.9% and 18% in Buckinghamshire from 1979 to 2025.

Collisions by worst injury

  • Fatal183%
  • Serious12020%
  • Slight46177%

People hurt, by injury

  • Fatal192.4%
  • Serious15920%
  • Slight59977%

Buckinghamshire road accidents by year

Collisions and casualties in Buckinghamshire, 1979 to 2025

Collisions peaked at 2,274 in 1984. 2020 is highlighted, with 599, down 24% on 2019.

  • Collisions
  • Collisions in 2020: 599
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025684883
2024607765
2023683868
2022700880
2021637795
2020599777
20197881,015
20188651,180
20177791,087
20169661,300
20151,0051,367
20141,1211,527
20131,0701,484
20121,1691,613
20111,2421,693
20101,2611,836
20091,3671,960
20081,4321,996
20071,6092,407
20061,7262,488
20051,7022,438
20041,7712,450
20031,7732,405
20021,8532,501
20012,0042,830
20002,0732,882
19992,0262,815
19982,0222,862
19972,1042,925
19962,0152,864
19951,7752,539
19941,9312,682
19931,9432,735
19922,0112,837
19911,9152,658
19902,0892,864
19892,1222,968
19882,0852,881
19871,9682,737
19862,1172,871
19852,0912,826
19842,2743,054
19832,0232,663
19821,9632,605
19811,9202,595
19801,1741,505
19791,8882,562

When and where crashes happen in Buckinghamshire in 2020

Collisions by day of the week

  • Monday88 (15%)
  • Tuesday91 (15%)
  • Wednesday79 (13%)
  • Thursday81 (14%)
  • Friday104 (17%)
  • Saturday84 (14%)
  • Sunday72 (12%)

Collisions by time of day

  • 00:00 to 02:5916 (2.7%)
  • 03:00 to 05:5911 (1.8%)
  • 06:00 to 08:5982 (14%)
  • 09:00 to 11:5984 (14%)
  • 12:00 to 14:59113 (19%)
  • 15:00 to 17:59156 (26%)
  • 18:00 to 20:5995 (16%)
  • 21:00 to 23:5942 (7%)

Collisions by month

  • January43 (7.2%)
  • February62 (10%)
  • March35 (5.8%)
  • April29 (4.8%)
  • May47 (7.8%)
  • June55 (9.2%)
  • July47 (7.8%)
  • August54 (9%)
  • September48 (8%)
  • October69 (12%)
  • November59 (9.8%)
  • December51 (8.5%)

Light conditions

  • Daylight424 (71%)
  • Dark, street lights lit114 (19%)
  • Dark, no street lighting48 (8%)
  • Dark, lighting unknown10 (1.7%)
  • Dark, street lights unlit3 (0.5%)

Weather at the time

  • Fine, no high winds474 (79%)
  • Raining, no high winds67 (11%)
  • Raining with high winds13 (2.2%)
  • Fog or mist6 (1%)
  • Fine with high winds5 (0.8%)
  • Snowing with high winds1 (0.2%)
  • Other25 (4.2%)
  • Not recorded8 (1.3%)

Road surface

  • Dry404 (67%)
  • Wet or damp190 (32%)
  • Frost or ice3 (0.5%)
  • Flood over 3cm deep1 (0.2%)
  • Not recorded1 (0.2%)

Speed limit at the scene

  • 30 mph345 (58%)
  • 40 mph47 (7.8%)
  • 50 mph20 (3.3%)
  • 60 mph118 (20%)
  • 70 mph69 (12%)

Type of road

  • Single carriageway440 (73%)
  • Roundabout82 (14%)
  • Dual carriageway71 (12%)
  • One way street or slip road6 (1%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Buckinghamshire in 2020

Casualties by road user

  • Car occupant473 (61%)
  • Cyclist109 (14%)
  • Pedestrian83 (11%)
  • Motorcyclist69 (8.9%)
  • Van occupant24 (3.1%)
  • Taxi or private hire car occupant7 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.8%)
  • E-scooter or powered transporter user1 (0.1%)
  • Goods vehicle occupant (weight unknown)1 (0.1%)
  • Mobility scooter rider1 (0.1%)
  • Other3 (0.4%)

Casualties by age

  • 0 to 513 (1.7%)
  • 6 to 107 (0.9%)
  • 11 to 1537 (4.8%)
  • 16 to 2090 (12%)
  • 21 to 2588 (11%)
  • 26 to 35164 (21%)
  • 36 to 45120 (15%)
  • 46 to 5598 (13%)
  • 56 to 6584 (11%)
  • 66 to 7535 (4.5%)
  • Over 7533 (4.2%)
  • Not recorded8 (1%)

Drivers, passengers and pedestrians

  • Driver or rider552 (71%)
  • Passenger142 (18%)
  • Pedestrian83 (11%)

Vehicles involved

  • Car824 (73%)
  • Pedal cycle111 (9.8%)
  • Motorcycle74 (6.5%)
  • Van or goods vehicle up to 3.5 tonnes65 (5.7%)
  • Goods vehicle over 3.5 tonnes24 (2.1%)
  • Taxi or private hire car12 (1.1%)
  • Goods vehicle, weight unknown10 (0.9%)
  • Bus or coach7 (0.6%)
  • Other vehicle4 (0.4%)
  • Agricultural vehicle2 (0.2%)
  • Other2 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for Buckinghamshire in 2020

Map of the last 24 crashes of 2020 and the 10 busiest accident hotspots in Buckinghamshire

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Buckinghamshire ranked among 350 areas in 2020

Of the 350 areas in England, Scotland and Wales, Buckinghamshire had the 30th most road collisions in 2020.

Collisions
30th
highest of 350 areas
Casualties
24th
highest of 350 areas
Fatal collisions
2nd
highest of 350 areas
Serious collisions
18th
highest of 350 areas

Accident hotspots in Buckinghamshire in 2020

Aylesbury North, Buckinghamshire, HP20 1ST area was the busiest accident hotspot in Buckinghamshire in 2020, with 27 collisions, 7 of them serious.

Roads in Buckinghamshire with the most crashes in 2020

The A40 had the most collisions in Buckinghamshire in 2020: 42, including 1 fatal and 4 serious.

Roads ranked by collisions in Buckinghamshire, 2020
RankRoadCollisionsCasualtiesFatalSerious
1stA40425614
2ndA41394808
3rdA413355115
4thM403552113
5thM25202326
6thA404162312
7thA418151803
8thA355111200
9thA4010111601
10thA4094101111
11thA412101012
12thA421101402
13thA41691002
14thA41467811
15thA42271112
16thA461002
17thA41555502
18thB4165700
19thB44435701
20thB4745501

Towns in Buckinghamshire: crashes in 2020

High Wycombe had the most collisions of any town in Buckinghamshire in 2020: 80.

Postcode districts in Buckinghamshire: crashes in 2020

HP11, HP18 and SL9 had the most collisions of any postcode district in Buckinghamshire in 2020, with 32 each.

Former districts in Buckinghamshire in 2020

Buckinghamshire now covers 4 former district councils, abolished in April 2020. Of these, Aylesbury Vale had the most collisions in 2020: 213.

Latest crashes in Buckinghamshire in 2020

Of the last 24 crashes in Buckinghamshire in 2020, none were fatal and 4 were serious. The last was on 31 December 2020.

Severity

Buckinghamshire road accidents in other years