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CrashStats

Gwynedd road accidents: crash map and statistics

Police recorded 16,819 road traffic collisions in Gwynedd from 1979 to 2025, and 25,725 people were killed or injured in them. Of those collisions, 429 were fatal and 3,832 were serious.

In 2025 police recorded 105 collisions, up 22% on 2024 (86), and casualties rose from 142 to 166.

Collisions, 1979 to 2025
16,819
138th lowest of 351 areas
Casualties
25,725
1.53 per collision
Fatal collisions
429
2.6% of collisions
Collisions in 2025
105
Up 22% on 2024

Crash severity in Gwynedd

2.6% of collisions in Gwynedd from 1979 to 2025 were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by worst injury

  • Fatal4292.6%
  • Serious3,83223%
  • Slight12,55875%

People hurt, by injury

  • Fatal4701.8%
  • Serious5,08220%
  • Slight20,17378%

Gwynedd road accidents by year

Collisions and casualties in Gwynedd, 1979 to 2025

Collisions peaked at 578 in 1979. In 2025 there were 105, up 22% on 2024.

  • Collisions
  • Collisions in 2025: 105
  • 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

Collisions by day of the week

  • Monday2,246 (13%)
  • Tuesday2,131 (13%)
  • Wednesday2,215 (13%)
  • Thursday2,290 (14%)
  • Friday2,817 (17%)
  • Saturday2,764 (16%)
  • Sunday2,356 (14%)

Collisions by time of day

  • 00:00 to 02:59650 (3.9%)
  • 03:00 to 05:59210 (1.2%)
  • 06:00 to 08:591,363 (8.1%)
  • 09:00 to 11:592,632 (16%)
  • 12:00 to 14:593,489 (21%)
  • 15:00 to 17:594,464 (27%)
  • 18:00 to 20:592,367 (14%)
  • 21:00 to 23:591,644 (9.8%)

Collisions by month

  • January998 (5.9%)
  • February1,021 (6.1%)
  • March1,231 (7.3%)
  • April1,295 (7.7%)
  • May1,542 (9.2%)
  • June1,471 (8.7%)
  • July1,847 (11%)
  • August2,103 (13%)
  • September1,493 (8.9%)
  • October1,416 (8.4%)
  • November1,280 (7.6%)
  • December1,122 (6.7%)

Light conditions

  • Daylight12,769 (76%)
  • Dark, no street lighting2,121 (13%)
  • Dark, street lights lit1,734 (10%)
  • Dark, lighting unknown143 (0.9%)
  • Dark, street lights unlit52 (0.3%)

Weather at the time

  • Fine, no high winds11,893 (71%)
  • Raining, no high winds2,905 (17%)
  • Raining with high winds609 (3.6%)
  • Fine with high winds322 (1.9%)
  • Snowing, no high winds117 (0.7%)
  • Fog or mist65 (0.4%)
  • Snowing with high winds49 (0.3%)
  • Other716 (4.3%)
  • Not recorded143 (0.9%)

Road surface

  • Dry9,733 (58%)
  • Wet or damp6,653 (40%)
  • Frost or ice218 (1.3%)
  • Snow153 (0.9%)
  • Flood over 3cm deep45 (0.3%)
  • Oil or diesel8 (under 0.1%)
  • Mud2 (under 0.1%)
  • Not recorded7 (under 0.1%)

Speed limit at the scene

  • 15 mph3 (under 0.1%)
  • 20 mph84 (0.5%)
  • 30 mph6,389 (38%)
  • 40 mph706 (4.2%)
  • 50 mph181 (1.1%)
  • 60 mph8,587 (51%)
  • 70 mph868 (5.2%)
  • Not recorded1 (under 0.1%)

Type of road

  • Single carriageway15,249 (91%)
  • Dual carriageway584 (3.5%)
  • One way street or slip road474 (2.8%)
  • Roundabout423 (2.5%)
  • Not recorded89 (0.5%)

Source: Department for Transport, STATS19 road safety data

Who is hurt in road crashes in Gwynedd

Casualties by road user

  • Car occupant17,397 (68%)
  • Pedestrian2,845 (11%)
  • Motorcyclist2,484 (9.7%)
  • Cyclist972 (3.8%)
  • Van occupant570 (2.2%)
  • Bus or coach occupant509 (2%)
  • Minibus occupant339 (1.3%)
  • Goods vehicle occupant (over 3.5 tonnes)286 (1.1%)
  • Other vehicle occupant145 (0.6%)
  • Taxi or private hire car occupant125 (0.5%)
  • Other51 (0.2%)
  • Not recorded2 (under 0.1%)

Casualties by age

  • 0 to 5701 (2.7%)
  • 6 to 101,147 (4.5%)
  • 11 to 151,508 (5.9%)
  • 16 to 204,959 (19%)
  • 21 to 253,319 (13%)
  • 26 to 354,024 (16%)
  • 36 to 453,211 (12%)
  • 46 to 552,509 (9.8%)
  • 56 to 651,997 (7.8%)
  • 66 to 751,408 (5.5%)
  • Over 75901 (3.5%)
  • Not recorded41 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider13,857 (54%)
  • Passenger9,023 (35%)
  • Pedestrian2,845 (11%)

Vehicles involved

  • Car22,137 (76%)
  • Motorcycle2,388 (8.2%)
  • Van or goods vehicle up to 3.5 tonnes1,123 (3.8%)
  • Goods vehicle over 3.5 tonnes1,021 (3.5%)
  • Pedal cycle992 (3.4%)
  • Bus or coach544 (1.9%)
  • Other vehicle339 (1.2%)
  • Minibus296 (1%)
  • Taxi or private hire car181 (0.6%)
  • Agricultural vehicle73 (0.3%)
  • Other77 (0.3%)
  • Not recorded4 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes and hotspots in Gwynedd

Map of the 24 most recent crashes 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 ranks among 351 areas

Of the 351 areas in England, Scotland and Wales, Gwynedd had the 138th fewest road collisions from 1979 to 2025.

Collisions
138th
lowest of 351 areas
Casualties
167th
lowest of 351 areas
Fatal collisions
112th
highest of 351 areas
Serious collisions
176th
highest of 351 areas
Areas ranked by collisions, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
211thVale of White Horse16,96023,1634383,688
212thSouth Norfolk16,90424,2434574,463
213thDover16,82322,5093153,270
214thGwynedd (this area)16,81925,7254293,832
215thRugby16,80322,8324094,129
216thNeath Port Talbot16,77723,3892902,414
217thWest Lancashire16,77424,9743333,620

Accident hotspots in Gwynedd

Canol Bangor, Gwynedd, LL57 1LH area is the busiest accident hotspot in Gwynedd, with 253 collisions from 2001 to 2025, 2 of them fatal.

Roads in Gwynedd with the most crashes

The A487 had the most collisions in Gwynedd from 1979 to 2025: 2,444, including 60 fatal and 540 serious.

Roads ranked by collisions in Gwynedd, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4872,4444,07260540
2ndA4701,0081,70836237
3rdA59221,43624222
4thA4969091,46127233
5thA4948071,35341204
6thA4998001,36935202
7thA4936831,04118164
8thA4976631,04016162
9thA408660591513147
10thA5122405605771
11thA553896911978
12thA4087341466657
13thA42122955491978
14thB4366288438568
15thA4085234321863
16thB4547207345847
17thA498151256452
18thB4391141199343
19thB4417141209327
20thB4413132206431

Towns in Gwynedd

Bangor had the most collisions of any town in Gwynedd from 1979 to 2025: 1,406.

Postcode districts in Gwynedd

LL57 had the most collisions of any postcode district in Gwynedd from 1979 to 2025: 3,542.

Latest crashes in Gwynedd

Of the latest 24 crashes in Gwynedd, 4 were fatal and 11 were serious. The most recent was on 28 December 2025.

Severity