Drivers have been left furious after a newly-imposed 30mph speed limit across a popular region has been hailed as a success by a local authority.
Liberal Democrats running Hertfordshire County Council reduced the speed limit on the B197 London Road to 30mph in September from 40mph in a bid to improve road safety.
Now, just weeks later, officials have stated the data proved them right, with a recent traffic survey revealing that average speeds have dropped by 14 per cent.
Council leaders said this shows drivers are “choosing” to travel more slowly, creating a calmer road environment.
But the move has sparked a lively discussion about whether the change was needed, whether it will be permanent, and what it means for motorists already grappling with lower limits across the UK.
Councillor Stephen Giles-Medhurst said the figures are evidence that targeted interventions “developed with local communities” can make roads safer quickly and effectively.
He argues slower speeds protect pedestrians, cyclists and drivers alike, and support the council’s push for “accessible, sustainable” travel.
He called the drop in speeds “exactly the kind of outcome we want to see,” insisting that the new limit proves small changes can deliver big benefits.
The speed limit change resulted in improved road safety statistics
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GETTYThe council has now begun monitoring the road to assess long-term behaviour and has hinted that further measures could follow if data support them.
But several local drivers told GB News the new limit feels unnecessary and heavy-handed, especially during quieter periods when the road is clear.
Many describe the B197 as a key commuter route where dropping to 30mph adds time to already-long journeys.
One motorist who uses the route daily said: “The council calls it a success — but of course speeds go down when you suddenly tell people it’s 30mph. That doesn’t mean the road needed it. It just feels like another clampdown on drivers.”
The 40mph speed limit was reduced by the council in September
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Another resident, who has lived in the village for decades, said the change “came out of nowhere”, despite the council citing community feedback.
Parents at St Michael‘s Primary School said the lower limit and the recent junction improvements have made the road feel safer, but even some supporters want clear data on collision history and long-term monitoring.
“We’re grateful the area outside the school is safer,” one parent said. “But we should still know why the whole road needed 30mph, not just the pinch points.”
The change in Woolmer Green comes amid a wider national debate about speed-limit reductions, especially in rural and semi-rural areas.
The council turned the B197 London Road to 30mph in September
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GETTYWith those concerns in mind, some motorists fear the Woolmer Green scheme may be the start of a broader pattern.
“This is exactly how it happens,” a resident told us. “A small section gets changed, then suddenly it’s the whole road, then the neighbouring villages. Before long, 40mph roads barely exist.”
But the council has insisted that the new 30mph zone is based on clear safety assessments and positive early results. It says the goal is a “calmer, safer” environment for all road users — and the latest figures show drivers are already adjusting.