they should bring 20mph limits in here in built up areas

the darter from wales is conclusive:

Key Road Safety Findings (First Year Data)
Overall Casualty Reduction: In the 12 months following the policy's introduction (October 2023 to September 2024), there was a 28% reduction in all recorded casualties on roads where the speed limit changed from 30mph to 20mph, which equates to 677 fewer people injured.
Fewer Fatalities and Serious Injuries: Within that same period, there were 10 fewer fatalities and 95 fewer serious injuries.

Lowest Figures on Record: The number of casualties on 20mph and 30mph roads combined during July-September 2024 was the lowest for that quarter since records began in 1979.

Insurance Data: The insurance company esure reported a 20% fall in claims for car accidents in Wales, which they attribute to the reduced speed limit and which was not seen in England during the same period, further suggesting a reduction in collisions.
Average Speeds Reduced: The policy has led to a general slowing of traffic, with mean speeds on monitored roads falling by an average of 3.8mph.

Caveats and Considerations

Official Caution: The Welsh government's chief statistician has urged caution in definitively attributing the fall in casualties solely to the 20mph limit at this early stage, noting that at least three years of data are typically required for a full, meaningful comparison, as casualties were already on a general downward trend over the last decade.

Public Opinion: The policy has been highly controversial and faced public backlash, with some drivers expressing frustration and a belief that the limit is inappropriate for certain roads, leading to a review of some roads by local authorities.

Other Roads: Some critics point out that the reduction in casualties on 20mph/30mph roads was accompanied by a slight increase (4.2%) in casualties on higher-speed roads (40mph and above) during the same period, though the overall number of injuries across all roads still decreased.

Posted By: Tombs on January 10th 2026 at 13:11:13

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