A Welsh Government speed limit policy has cost taxpayers £32 million, damaged the Welsh economy by an estimated £9 billion, and was implemented in the face of a petition signed by 469,571 Welsh residents — yet the government pressed ahead regardless.
The Policy and Its Cost
In September 2023, the Welsh Labour Government, supported by Plaid Cymru, introduced a default 20mph speed limit across residential and built-up roads throughout Wales — making it the first nation in the UK to implement such a sweeping change.
The rollout came at a cost of £32 million to Welsh taxpayers. Critics, including Welsh Conservative Shadow Cabinet Secretary for Transport and Infrastructure, Sam Rowlands MS, argue that the true economic damage runs far deeper. Mr Rowlands has cited figures suggesting the policy has dealt a £9 billion blow to the Welsh economy, through increased journey times, reduced productivity, and the wider impact on businesses and freight across the country.
Nearly Half a Million People Said No
Before the law came into force, a public petition calling on the Welsh Government to rescind the 20mph default limit gathered 469,571 signatures — one of the largest petitions in Welsh political history.
The petition argued that the Welsh Government had “failed to produce any convincing evidence” that blanket 20mph limits improve road safety. Those behind the petition also claimed that the policy was being driven by the Welsh Government’s Climate Change department rather than health and safety bodies — raising questions about the true motivation behind the legislation.
Despite being considered by the Petitions Committee, the Welsh Government chose to ignore the democratic voice of nearly half a million of its own citizens and proceeded with the policy regardless.
The Government’s Own Review Admits Mistakes
In a significant acknowledgement, the Welsh Government’s own review of 20mph and 30mph speed limits on trunk roads has now conceded that certain stretches went too far. Roads including the A483 and A494 are among those identified as having been incorrectly reduced, with sections set to revert to 30mph limits.
However, Mr Rowlands warned that motorists should not expect swift relief, stating that the review will “take too long to implement and fails to address motorists’ concerns.” In the meantime, Welsh drivers continue to face what he describes as “confusion and frustration across Wales.”
A One-Size-Fits-All Failure
Welsh Conservatives have consistently argued that while reduced speed limits make clear sense in specific high-risk locations — outside schools, hospitals, and in accident hotspots — the blanket, default approach adopted by Labour and Plaid Cymru was fundamentally flawed from the outset.
Mr Rowlands was direct in his assessment: “Labour and Plaid Cymru’s disastrous default 20mph speed limit has slowed Wales down and held our economy back.”
The Welsh Conservatives have committed to scrapping the default 20mph limit entirely if they come to power, replacing it with a targeted approach that applies lower limits where the evidence genuinely supports them.
A Vote for Change in May
Welsh voters will have the opportunity to have their say at the Senedd elections in May 2026. For many, the 20mph debacle has come to represent a broader pattern of a Welsh Labour Government that has been in power for over 25 years — one that, critics argue, has repeatedly prioritised ideology over evidence, and ignored the public when it disagreed.
Nearly half a million people signed a petition. The government ignored it. Thirty-two million pounds of public money was spent. The economy took a multi-billion pound hit. And now the government’s own review quietly admits the policy went too far in places.
The people of Wales now have a chance to make their voices heard in a way that cannot be ignored. May’s election is an opportunity to vote for accountability, for evidence-based policy, and for a government that actually listens.
In June 2019, then-Welsh Deputy Economy Minister Lee Waters admitted that the Welsh Government had “pretended we know what we’re doing on the economy” for 20 years, stating they were “making it up as we go along”.
https://petitions.senedd.wales/petitions/245548
https://www.conservatives.wales/news/welsh-government-review-confirms-20mph-policy-went-too-far
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