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CrashStats

Cardiff road accidents in 2021: crash map and statistics

Police recorded 265 road traffic collisions in Cardiff in 2021, and 309 people were killed or injured in them. Of those collisions, 1 was fatal and 36 were serious.

Collisions were up 3% on 2020 (258), and casualties rose from 301.

Across all years from 1979 to 2025, police recorded 43,003 collisions in Cardiff.

Collisions in 2021
265
Up 3% on 2020
Casualties in 2021
309
Up 3% on 2020
Fatal collisions
1
0.4% of collisions
Serious collisions
36
14% of collisions

Crash severity in Cardiff in 2021

0.4% of collisions in Cardiff in 2021 were fatal and 14% serious, against 1.2% and 13% in Cardiff from 1979 to 2025.

Collisions by worst injury

  • Fatal10.4%
  • Serious3614%
  • Slight22886%

People hurt, by injury

  • Fatal10.3%
  • Serious3913%
  • Slight26987%

Cardiff road accidents by year

Collisions and casualties in Cardiff, 1979 to 2025

Collisions peaked at 1,341 in 1989. 2021 is highlighted, with 265, up 3% on 2020.

  • Collisions
  • Collisions in 2021: 265
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025272348
2024240330
2023293362
2022275373
2021265309
2020258301
2019436564
2018366482
2017480619
2016535689
2015622816
2014641851
2013644867
2012618802
20117441,125
20107541,117
20098261,115
20089091,226
20079851,432
20061,0201,390
20051,1181,516
20041,1231,556
20031,1961,634
20021,1881,682
20011,1431,544
20001,1301,575
19991,0921,489
19981,1171,474
19971,1361,476
19961,1191,487
19951,1751,516
19941,3071,714
19931,1451,457
19921,2351,577
19911,1521,503
19901,3241,664
19891,3411,676
19881,3061,574
19871,1301,391
19861,1331,459
19851,1361,382
19841,1561,414
19831,1231,355
19821,1931,459
19811,1561,429
19801,2531,556
19791,1931,457

When and where crashes happen in Cardiff in 2021

Collisions by day of the week

  • Monday34 (13%)
  • Tuesday43 (16%)
  • Wednesday46 (17%)
  • Thursday37 (14%)
  • Friday42 (16%)
  • Saturday27 (10%)
  • Sunday36 (14%)

Collisions by time of day

  • 00:00 to 02:596 (2.3%)
  • 03:00 to 05:598 (3%)
  • 06:00 to 08:5925 (9.4%)
  • 09:00 to 11:5939 (15%)
  • 12:00 to 14:5960 (23%)
  • 15:00 to 17:5958 (22%)
  • 18:00 to 20:5945 (17%)
  • 21:00 to 23:5924 (9.1%)

Collisions by month

  • January15 (5.7%)
  • February10 (3.8%)
  • March18 (6.8%)
  • April22 (8.3%)
  • May23 (8.7%)
  • June25 (9.4%)
  • July21 (7.9%)
  • August24 (9.1%)
  • September23 (8.7%)
  • October28 (11%)
  • November35 (13%)
  • December21 (7.9%)

Light conditions

  • Daylight193 (73%)
  • Dark, street lights lit62 (23%)
  • Dark, no street lighting6 (2.3%)
  • Dark, lighting unknown2 (0.8%)
  • Dark, street lights unlit2 (0.8%)

Weather at the time

  • Fine, no high winds225 (85%)
  • Raining, no high winds25 (9.4%)
  • Fine with high winds5 (1.9%)
  • Raining with high winds4 (1.5%)
  • Fog or mist1 (0.4%)
  • Other5 (1.9%)

Road surface

  • Dry205 (77%)
  • Wet or damp59 (22%)
  • Snow1 (0.4%)

Speed limit at the scene

  • 20 mph47 (18%)
  • 30 mph169 (64%)
  • 40 mph20 (7.5%)
  • 50 mph11 (4.2%)
  • 60 mph2 (0.8%)
  • 70 mph16 (6%)

Type of road

  • Single carriageway165 (62%)
  • Dual carriageway77 (29%)
  • Roundabout18 (6.8%)
  • One way street or slip road5 (1.9%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Cardiff in 2021

Casualties by road user

  • Car occupant125 (40%)
  • Cyclist59 (19%)
  • Pedestrian54 (17%)
  • Motorcyclist39 (13%)
  • Van occupant8 (2.6%)
  • Taxi or private hire car occupant4 (1.3%)
  • E-scooter or powered transporter user2 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.3%)
  • Minibus occupant1 (0.3%)
  • Other vehicle occupant1 (0.3%)
  • Other1 (0.3%)
  • Not recorded14 (4.5%)

Casualties by age

  • 0 to 54 (1.3%)
  • 6 to 105 (1.6%)
  • 11 to 1516 (5.2%)
  • 16 to 2032 (10%)
  • 21 to 2547 (15%)
  • 26 to 3565 (21%)
  • 36 to 4543 (14%)
  • 46 to 5544 (14%)
  • 56 to 6526 (8.4%)
  • 66 to 7511 (3.6%)
  • Over 7516 (5.2%)

Drivers, passengers and pedestrians

  • Driver or rider207 (67%)
  • Pedestrian54 (17%)
  • Passenger48 (16%)

Vehicles involved

  • Car301 (62%)
  • Pedal cycle62 (13%)
  • Motorcycle40 (8.2%)
  • Van or goods vehicle up to 3.5 tonnes33 (6.8%)
  • Personal powered transporter (e-scooter or similar)15 (3.1%)
  • Goods vehicle over 3.5 tonnes11 (2.3%)
  • Taxi or private hire car11 (2.3%)
  • Bus or coach7 (1.4%)
  • Minibus4 (0.8%)
  • Other vehicle2 (0.4%)
  • Other2 (0.4%)

Source: Department for Transport, STATS19 road safety data

Crash map for Cardiff in 2021

Map of the last 24 crashes of 2021 and the 10 busiest accident hotspots in Cardiff

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Cardiff ranked among 350 areas in 2021

Of the 350 areas in England, Scotland and Wales, Cardiff had the 119th most road collisions in 2021.

Collisions
119th
highest of 350 areas
Casualties
136th
highest of 350 areas
Fatal collisions
275th
of 350 areas, highest first
Serious collisions
241st
of 350 areas, highest first

Accident hotspots in Cardiff in 2021

Cathays, Cardiff, CF10 2GA area was the busiest accident hotspot in Cardiff in 2021, with 22 collisions, 1 of them serious.

Roads in Cardiff with the most crashes in 2021

The A48 had the most collisions in Cardiff in 2021: 26, including 1 serious.

Roads ranked by collisions in Cardiff, 2021
RankRoadCollisionsCasualtiesFatalSerious
1stA48263501
2ndA4161212101
3rdM4152015
4thA4232121500
5thA4119101102
6thB4487101001
7thA416091003
8thB42619900
9thA47081302
10thA4696801
11thA40544501
12thB42674401
13thB42393400
14thA1191100
15thA42341100
16thB42621101
17thB45621100

Towns in Cardiff: crashes in 2021

Cardiff itself had the most collisions of any town in the area in 2021: 213.

Postcode districts in Cardiff: crashes in 2021

CF24 had the most collisions of any postcode district in Cardiff in 2021: 47.

Latest crashes in Cardiff in 2021

Of the last 24 crashes in Cardiff in 2021, none were fatal and 5 were serious. The last was on 29 December 2021.

Severity

Cardiff road accidents in other years