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CrashStats

Gwynedd road accidents in 2021: crash map and statistics

Police recorded 133 road traffic collisions in Gwynedd in 2021, and 189 people were killed or injured in them. Of those collisions, 10 were fatal and 40 were serious.

Collisions were up 18% on 2020 (113), and casualties rose from 146.

Across all years from 1979 to 2025, police recorded 16,819 collisions in Gwynedd.

Collisions in 2021
133
Up 18% on 2020
Casualties in 2021
189
Up 29% on 2020
Fatal collisions
10
7.5% of collisions
Serious collisions
40
30% of collisions

Crash severity in Gwynedd in 2021

7.5% of collisions in Gwynedd in 2021 were fatal and 30% serious, against 2.6% and 23% in Gwynedd from 1979 to 2025.

Collisions by worst injury

  • Fatal107.5%
  • Serious4030%
  • Slight8362%

People hurt, by injury

  • Fatal115.8%
  • Serious5831%
  • Slight12063%

Gwynedd road accidents by year

Collisions and casualties in Gwynedd, 1979 to 2025

Collisions peaked at 578 in 1979. 2021 is highlighted, with 133, up 18% on 2020.

  • Collisions
  • Collisions in 2021: 133
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025105166
202486142
2023146195
2022164220
2021133189
2020113146
2019185264
2018202305
2017182268
2016178257
2015246348
2014257363
2013263385
2012272395
2011283410
2010337508
2009317478
2008365544
2007345534
2006347556
2005342515
2004377570
2003395601
2002428668
2001421621
2000412654
1999464729
1998416650
1997510761
1996421629
1995431759
1994483763
1993459806
1992476732
1991486757
1990487740
1989474750
1988465696
1987453693
1986453686
1985420640
1984452676
1983443638
1982483784
1981532791
1980532841
1979578902

When and where crashes happen in Gwynedd in 2021

Collisions by day of the week

  • Monday12 (9%)
  • Tuesday19 (14%)
  • Wednesday20 (15%)
  • Thursday19 (14%)
  • Friday21 (16%)
  • Saturday20 (15%)
  • Sunday22 (17%)

Collisions by time of day

  • 00:00 to 02:592 (1.5%)
  • 03:00 to 05:592 (1.5%)
  • 06:00 to 08:597 (5.3%)
  • 09:00 to 11:5927 (20%)
  • 12:00 to 14:5926 (20%)
  • 15:00 to 17:5932 (24%)
  • 18:00 to 20:5917 (13%)
  • 21:00 to 23:5920 (15%)

Collisions by month

  • January7 (5.3%)
  • February3 (2.3%)
  • March6 (4.5%)
  • April11 (8.3%)
  • May7 (5.3%)
  • June16 (12%)
  • July16 (12%)
  • August22 (17%)
  • September17 (13%)
  • October11 (8.3%)
  • November9 (6.8%)
  • December8 (6%)

Light conditions

  • Daylight103 (77%)
  • Dark, no street lighting19 (14%)
  • Dark, street lights lit7 (5.3%)
  • Dark, lighting unknown3 (2.3%)
  • Dark, street lights unlit1 (0.8%)

Weather at the time

  • Fine, no high winds95 (71%)
  • Raining, no high winds25 (19%)
  • Raining with high winds3 (2.3%)
  • Fog or mist1 (0.8%)
  • Snowing with high winds1 (0.8%)
  • Snowing, no high winds1 (0.8%)
  • Other5 (3.8%)
  • Not recorded2 (1.5%)

Road surface

  • Dry89 (67%)
  • Wet or damp42 (32%)
  • Flood over 3cm deep1 (0.8%)
  • Snow1 (0.8%)

Speed limit at the scene

  • 30 mph64 (48%)
  • 40 mph9 (6.8%)
  • 50 mph2 (1.5%)
  • 60 mph58 (44%)

Type of road

  • Single carriageway125 (94%)
  • One way street or slip road3 (2.3%)
  • Roundabout3 (2.3%)
  • Dual carriageway2 (1.5%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Gwynedd in 2021

Casualties by road user

  • Car occupant111 (59%)
  • Motorcyclist30 (16%)
  • Pedestrian17 (9%)
  • Cyclist14 (7.4%)
  • Goods vehicle occupant (weight unknown)9 (4.8%)
  • Van occupant4 (2.1%)
  • Agricultural vehicle occupant1 (0.5%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.5%)
  • Other vehicle occupant1 (0.5%)
  • Not recorded1 (0.5%)

Casualties by age

  • 0 to 52 (1.1%)
  • 6 to 108 (4.2%)
  • 11 to 154 (2.1%)
  • 16 to 2031 (16%)
  • 21 to 2519 (10%)
  • 26 to 3534 (18%)
  • 36 to 4520 (11%)
  • 46 to 5529 (15%)
  • 56 to 6519 (10%)
  • 66 to 7517 (9%)
  • Over 755 (2.6%)
  • Not recorded1 (0.5%)

Drivers, passengers and pedestrians

  • Driver or rider125 (66%)
  • Passenger47 (25%)
  • Pedestrian17 (9%)

Vehicles involved

  • Car158 (71%)
  • Motorcycle31 (14%)
  • Pedal cycle14 (6.3%)
  • Goods vehicle, weight unknown10 (4.5%)
  • Van or goods vehicle up to 3.5 tonnes4 (1.8%)
  • Agricultural vehicle1 (0.4%)
  • Bus or coach1 (0.4%)
  • Minibus1 (0.4%)
  • Personal powered transporter (e-scooter or similar)1 (0.4%)
  • Taxi or private hire car1 (0.4%)
  • Other2 (0.9%)

Source: Department for Transport, STATS19 road safety data

Crash map for Gwynedd in 2021

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

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Accident hotspots (10)

How Gwynedd ranked among 350 areas in 2021

Of the 350 areas in England, Scotland and Wales, Gwynedd had fewer road collisions than 270 of them in 2021.

Collisions
271st
of 350 areas, highest first
Casualties
252nd
of 350 areas, highest first
Fatal collisions
25th
highest of 350 areas
Serious collisions
217th
of 350 areas, highest first

Accident hotspots in Gwynedd in 2021

Canol Bangor, Gwynedd, LL57 4LS area and Y Bala, Gwynedd, LL23 7AF area were among the busiest accident hotspots in Gwynedd in 2021, with 4 collisions each.

Roads in Gwynedd with the most crashes in 2021

The A494 had the most collisions in Gwynedd in 2021: 15, including 2 fatal and 3 serious.

Roads ranked by collisions in Gwynedd, 2021
RankRoadCollisionsCasualtiesFatalSerious
1stA494153123
2ndA487121823
3rdA493101623
4thA49671104
5thA57903
6thA47061113
7thA4995510
8thA4974501
9thB45014500
10thA40863311
11thA42123501
12thA4983501
13thA40872410
14thA4582201
15thB44052300
16thB43541100
17thB43911200
18thB44091100
19thB44171101
20thB45471100

Towns in Gwynedd: crashes in 2021

Bangor had the most collisions of any town in Gwynedd in 2021: 8.

Postcode districts in Gwynedd: crashes in 2021

LL57 had the most collisions of any postcode district in Gwynedd in 2021: 20.

Latest crashes in Gwynedd in 2021

Of the last 24 crashes in Gwynedd in 2021, 2 were fatal and 8 were serious. The last was on 30 December 2021.

Severity

Gwynedd road accidents in other years