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Welsh government figures for April to June 2026 show 19% fewer road collisions and 20% fewer casualties than in the same quarter of 2025. Compared with the same quarter in 2023, cyclist collisions fell from 78 to 45 and serious cyclist injuries from 28 to 15; the figures show a decline but do not establish that the 20mph policy alone caused it.
Road collisions in Wales fell 19% and casualties fell 20% in April–June 2026 compared with the same three months in 2025, according to new Welsh government figures. The data also records 15 serious cyclist injuries, down from 28 in the same quarter of 2023, before the default 20mph limit took effect; the figures show a continued decline but do not by themselves prove the policy caused it.
The government’s quarterly figures record 45 collisions involving cyclists between April and June 2026. Fifteen resulted in serious injury, and no cyclist deaths were recorded in that period. In the corresponding quarter of 2023, there were 78 cyclist collisions and 28 serious injuries. The serious-injury count is therefore lower by 13, or about 46%, which the report describes as a 50% fall.
Across road users, the government says collisions involving traffic on 20mph and 30mph roads were 37% lower than in April–June 2023, while casualties fell 35%. It describes the casualty total as a record low for a year outside the Covid pandemic. Separately, year-on-year comparisons show a 19% fall in collisions and a 20% fall in casualties across all Welsh roads. These comparisons use different baselines and should not be conflated.
Deputy Minister for Transport Mark Hooper said the latest figures were “extremely encouraging” and provided “more evidence that the 20mph default speed limit is helping to make our roads safer.” He added that the government would continue monitoring trends as part of its policy evaluation. The figures are a snapshot for one three-month period, not a final assessment of the policy’s effects.
What the Decline Means for Road Users
Fewer collisions and serious injuries matter directly to people travelling on Welsh roads, especially cyclists and pedestrians who are exposed to traffic and can suffer severe harm in a crash. The reported drop in serious cyclist injuries is a meaningful safety indicator, although the quarter’s figures do not show how many individual lives or injuries the speed limit change prevented.
The numbers also bear on a contested transport policy. Wales introduced lower default limits on many urban and residential roads with stated aims that included reducing deaths and serious injuries and encouraging walking and cycling. The latest data gives supporters evidence consistent with improved safety, while opponents have raised concerns about driver confusion and frustration. A sound assessment needs to distinguish observed trends from proof of cause and to weigh safety against the policy’s other effects.
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Wales’ Default 20mph Policy
In September 2023, the Welsh government introduced a default 20mph limit on most roads previously limited to 30mph in built-up areas. The change applied to about 35% of roads in Wales and increased the network of 20mph roads from approximately 870 kilometres to 13,000 kilometres, according to the report. The policy was intended to reduce road deaths and serious injuries, address pollution and support more walking and cycling.
The measure drew strong political criticism before and after implementation. In April 2024, the government announced that councils could restore 30mph limits on selected roads on a case-by-case basis in response to local requests. The new quarterly statistics arrive amid that debate and the government’s continuing evaluation, rather than resolving it.
“These latest figures are extremely encouraging and provide more evidence that the 20mph default speed limit is helping to make our roads safer.”
— Mark Hooper, Welsh deputy minister for transport
What the Quarterly Data Cannot Show
The figures cover one three-month period and report counts and comparisons, not a causal analysis. They do not establish how much of the decline, if any, resulted from the 20mph limit rather than other changes in traffic, travel behaviour, enforcement or reporting. The source material does not provide detailed methods, statistical uncertainty, exposure measures such as cycling volume, or a breakdown by location and road type.
The figures also do not clarify the total number of pedestrians seriously injured in the quarter, nor do they explain whether every road covered by the 2023 comparison remained subject to the same speed limit after councils gained authority to make exceptions. The reported absence of cyclist deaths applies to April–June 2026, not to the year as a whole.
Further Monitoring and Policy Review
The Welsh government says it will continue to monitor road collision and casualty trends as part of its ongoing evaluation of the default 20mph policy. Further quarterly data should show whether the current declines persist across later periods and whether similar changes appear for pedestrians and other road users.
For a clearer assessment, future reporting would need to set out methods and comparisons in detail, including trends over longer periods and any differences between roads that retained 20mph limits and those where councils restored 30mph. No specific date for the next figures or a final evaluation is given in the source material.
Key Questions
How many serious cyclist injuries were recorded in April–June 2026?
The figures record 15 serious cyclist injuries in Wales during April–June 2026, compared with 28 in the same quarter of 2023.
Did cyclist deaths occur in that quarter?
The reported figures record no cyclist deaths between April and June 2026. This applies to that quarter only.
Do the figures prove the 20mph limit caused the decline?
No. The data shows that collisions and casualties fell over the stated comparison periods, but the figures provided do not isolate the effect of the speed limit from other possible factors.
How much did road casualties fall year on year?
Across all Welsh roads, reported casualties in April–June 2026 were 20% lower than in April–June 2025. The comparison with the same quarter in 2023 shows a 35% fall in casualties on 20mph and 30mph roads.
Source: road.cc
