The findings come despite Welsh Government figures showing a 25 per cent reduction in the number of people killed or injured on low-speed roads since the policy was introduced there.
Drivers in Northern Ireland could react negatively to the introduction of more 20mph speed limits, according to new research carried out in Wales, where similar restrictions have already been introduced.
The warning comes after the Department for Infrastructure completed a 14-week consultation on plans to introduce reduced speed limits in targeted areas across Northern Ireland.
The issue has already sparked debate locally following the introduction of part-time 20mph zones outside 40 schools in June last year.
Insurance broker Sterling Insurance surveyed almost 1,500 Welsh drivers to gauge attitudes towards 20mph limits following their rollout in Wales more than two years ago. The survey found that seven in 10 motorists wanted the reduced limits reversed and restored to 30mph.
Men were more likely to oppose the changes, with 72 per cent supporting a return to 30mph limits compared to 63 per cent of women surveyed.
The findings come despite Welsh Government figures showing a 25 per cent reduction in the number of people killed or injured on low-speed roads since the policy was introduced.
According to the data, 2,638 people were hurt or killed in the most recent 18-month period compared to 3,520 in the period before the changes came into force.
Sterling Insurance general manager Peter Cook said improved safety statistics were “encouraging” but acknowledged many drivers remained unhappy with the restrictions.
“While safety remains paramount, it was interesting to see how many people are not in favour of the changes and we suspect the consultation may have discovered some similar responses,” he said.
“But these results are even more telling given they’ve come from drivers who have experienced these changes already.”
The survey also found 64 per cent of respondents wished the limits had never been introduced, while 62 per cent described them as an inconvenience.
More than half of drivers surveyed said they did not feel safer on the roads despite the lower limits.
Meanwhile, 83 per cent said they were watching their speedometer more frequently and 59 per cent reported feeling more stressed or anxious while driving.
Sterling said it had recorded a 60 per cent drop in accidents among its Welsh customers since the changes were introduced, alongside a 59 per cent reduction in speeding convictions and 57 per cent fewer insurance claims.
The debate comes amid a rise in motoring offences in Northern Ireland.
PSNI figures show motoring offences increased by 1 per cent in 2025, rising from 36,837 to 37,120. Speeding accounted for 4,513 offences, representing around 12 per cent of the total.
Northern Ireland currently has 20mph schemes operating in 20 locations, alongside around 33 advisory zones and approximately 700 roads featuring traffic-calming measures.
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