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CrashStats

Buckinghamshire road accidents in 2021: crash map and statistics

Police recorded 637 road traffic collisions in Buckinghamshire in 2021, and 795 people were killed or injured in them. Of those collisions, 17 were fatal and 109 were serious.

Collisions were up 6% on 2020 (599), and casualties rose from 777.

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

Collisions in 2021
637
Up 6% on 2020
Casualties in 2021
795
Up 2% on 2020
Fatal collisions
17
2.7% of collisions
Serious collisions
109
17% of collisions

Crash severity in Buckinghamshire in 2021

2.7% of collisions in Buckinghamshire in 2021 were fatal and 17% serious, against 1.9% and 18% in Buckinghamshire from 1979 to 2025.

Collisions by worst injury

  • Fatal172.7%
  • Serious10917%
  • Slight51180%

People hurt, by injury

  • Fatal192.4%
  • Serious12215%
  • Slight65482%

Buckinghamshire road accidents by year

Collisions and casualties in Buckinghamshire, 1979 to 2025

Collisions peaked at 2,274 in 1984. 2021 is highlighted, with 637, up 6% on 2020.

  • Collisions
  • Collisions in 2021: 637
  • 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 2021

Collisions by day of the week

  • Monday93 (15%)
  • Tuesday110 (17%)
  • Wednesday88 (14%)
  • Thursday101 (16%)
  • Friday90 (14%)
  • Saturday81 (13%)
  • Sunday74 (12%)

Collisions by time of day

  • 00:00 to 02:5914 (2.2%)
  • 03:00 to 05:597 (1.1%)
  • 06:00 to 08:5999 (16%)
  • 09:00 to 11:5989 (14%)
  • 12:00 to 14:59104 (16%)
  • 15:00 to 17:59189 (30%)
  • 18:00 to 20:5984 (13%)
  • 21:00 to 23:5951 (8%)

Collisions by month

  • January35 (5.5%)
  • February30 (4.7%)
  • March40 (6.3%)
  • April63 (9.9%)
  • May47 (7.4%)
  • June62 (9.7%)
  • July65 (10%)
  • August52 (8.2%)
  • September57 (8.9%)
  • October59 (9.3%)
  • November70 (11%)
  • December57 (8.9%)

Light conditions

  • Daylight487 (76%)
  • Dark, street lights lit97 (15%)
  • Dark, no street lighting37 (5.8%)
  • Dark, lighting unknown11 (1.7%)
  • Dark, street lights unlit5 (0.8%)

Weather at the time

  • Fine, no high winds521 (82%)
  • Raining, no high winds71 (11%)
  • Fog or mist5 (0.8%)
  • Raining with high winds2 (0.3%)
  • Fine with high winds1 (0.2%)
  • Snowing, no high winds1 (0.2%)
  • Other33 (5.2%)
  • Not recorded3 (0.5%)

Road surface

  • Dry470 (74%)
  • Wet or damp156 (24%)
  • Frost or ice9 (1.4%)
  • Flood over 3cm deep1 (0.2%)
  • Snow1 (0.2%)

Speed limit at the scene

  • 30 mph357 (56%)
  • 40 mph76 (12%)
  • 50 mph29 (4.6%)
  • 60 mph111 (17%)
  • 70 mph64 (10%)

Type of road

  • Single carriageway463 (73%)
  • Roundabout85 (13%)
  • Dual carriageway84 (13%)
  • One way street or slip road5 (0.8%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Buckinghamshire in 2021

Casualties by road user

  • Car occupant489 (62%)
  • Pedestrian95 (12%)
  • Cyclist87 (11%)
  • Motorcyclist79 (9.9%)
  • Van occupant14 (1.8%)
  • Taxi or private hire car occupant10 (1.3%)
  • Bus or coach occupant5 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (0.5%)
  • Mobility scooter rider1 (0.1%)
  • Other vehicle occupant1 (0.1%)
  • Other1 (0.1%)
  • Not recorded9 (1.1%)

Casualties by age

  • 0 to 57 (0.9%)
  • 6 to 1015 (1.9%)
  • 11 to 1532 (4%)
  • 16 to 2069 (8.7%)
  • 21 to 2597 (12%)
  • 26 to 35170 (21%)
  • 36 to 45136 (17%)
  • 46 to 55106 (13%)
  • 56 to 6574 (9.3%)
  • 66 to 7552 (6.5%)
  • Over 7526 (3.3%)
  • Not recorded11 (1.4%)

Drivers, passengers and pedestrians

  • Driver or rider564 (71%)
  • Passenger136 (17%)
  • Pedestrian95 (12%)

Vehicles involved

  • Car882 (73%)
  • Pedal cycle90 (7.5%)
  • Motorcycle80 (6.7%)
  • Van or goods vehicle up to 3.5 tonnes63 (5.2%)
  • Goods vehicle over 3.5 tonnes28 (2.3%)
  • Taxi or private hire car15 (1.2%)
  • Goods vehicle, weight unknown14 (1.2%)
  • Bus or coach11 (0.9%)
  • Personal powered transporter (e-scooter or similar)10 (0.8%)
  • Other vehicle5 (0.4%)
  • Other5 (0.4%)

Source: Department for Transport, STATS19 road safety data

Crash map for Buckinghamshire in 2021

Map of the last 24 crashes of 2021 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 2021

Of the 350 areas in England, Scotland and Wales, Buckinghamshire had the 34th most road collisions in 2021.

Collisions
34th
highest of 350 areas
Casualties
30th
highest of 350 areas
Fatal collisions
7th
highest of 350 areas
Serious collisions
37th
highest of 350 areas

Accident hotspots in Buckinghamshire in 2021

Aylesbury North, Buckinghamshire, HP20 1ST area was the busiest accident hotspot in Buckinghamshire in 2021, with 30 collisions, 3 of them serious.

Roads in Buckinghamshire with the most crashes in 2021

The A413 had the most collisions in Buckinghamshire in 2021: 44, including 1 fatal and 10 serious.

Roads ranked by collisions in Buckinghamshire, 2021
RankRoadCollisionsCasualtiesFatalSerious
1stA4134456110
2ndA40424727
3rdA41313737
4thM25273603
5thA418263306
6thM40254224
7thA404192223
8thA412162206
9thA4010141603
10thA416141601
11thA355111700
12thA4128101601
13thA481110
14thB41681010
15thA42171111
16thA41556602
17thB4746902
18thA41465701
19thA41575601
20thB44435800

Towns in Buckinghamshire: crashes in 2021

High Wycombe had the most collisions of any town in Buckinghamshire in 2021: 105.

Postcode districts in Buckinghamshire: crashes in 2021

SL9 had the most collisions of any postcode district in Buckinghamshire in 2021: 41.

Former districts in Buckinghamshire in 2021

Buckinghamshire now covers 4 former district councils, abolished in April 2020. Of these, Aylesbury Vale had the most collisions in 2021: 214.

Latest crashes in Buckinghamshire in 2021

Of the last 24 crashes in Buckinghamshire in 2021, none were fatal and 4 were serious. The last was on 31 December 2021.

Severity

Buckinghamshire road accidents in other years