Principal council · Wales

Isle of Anglesey road collision data

Between 2021 and 2025, the police recorded 249 injury collisions in Isle of Anglesey's highway authority area, 97 of them fatal or serious. These are the published STATS19 figures, which also include motorways and trunk roads in the area.

Injury collisions
249
2021–2025
Casualties
315
People injured or killed
Fatal collisions
11
86 serious, 152 slight
Vulnerable road users
50%
of people killed or seriously injured

Collisions by year and severity

In 2025, Isle of Anglesey recorded 17 fatal or serious collisions, 12% below its average of 19 a year over 2021–2025.

Injury collisions in Isle of Anglesey by year and severity, 2021–2025
Year Fatal Serious Slight Total Casualties
2021 3 20 38 61 85
2022 2 15 37 54 63
2023 1 14 38 53 65
2024 2 23 23 48 61
2025 3 14 16 33 41
2021–2025 11 86 152 249 315

Casualties by road user

315 people were hurt in these collisions: 13 killed, 94 seriously injured and 208 slightly injured. Pedestrians, pedal cyclists and motorcyclists made up 50% of those killed or seriously injured.

Casualties by road user in Isle of Anglesey, 2021–2025
Road user Casualties Share Killed or seriously injured Share of KSI
Pedestrians 48 15.2% 17 15.9%
Pedal cyclists 36 11.4% 12 11.2%
Motorcyclists 34 10.8% 24 22.4%
All road users 315 100% 107 100%

Roads with the most collisions

Classified roads in Isle of Anglesey, by injury collisions recorded on them in 2021–2025.

  1. A5025 40 collisions · 17 fatal or serious
  2. A5 35 collisions · 15 fatal or serious
  3. A55 17 collisions · 8 fatal or serious
  4. A4080 17 collisions · 8 fatal or serious
  5. B5111 15 collisions · 8 fatal or serious
  6. B5109 14 collisions · 3 fatal or serious
  7. A545 9 collisions · 3 fatal or serious
  8. B4545 4 collisions · 1 fatal or serious
  9. B5420 4 collisions · 1 fatal or serious
  10. B4422 4 collisions · 3 fatal or serious

Areas within Isle of Anglesey

Area pages with maps, hotspots and every collision, by collisions in 2021–2025.

How to get a formal collision extract from Isle of Anglesey

The council's road safety or traffic team holds the full police records for its area. A formal extract can add what the published data leaves out: contributory factors, the officer's description of each collision and the current year's provisional records. Developers, consultants and solicitors usually pay for it.

Check Isle of Anglesey's website for current fees, or contact its road safety team. Councils usually charge for extracts and send a quote before they start.

Source: Department for Transport road safety data (STATS19), 2021–2025, published under the Open Government Licence v3.0. Collisions are counted against the local highway authority area recorded by the police. Casualty severities are as recorded at the time and are not adjusted.