A driver was caught speeding at 122mph in a 30mph zone in South Yorkshire – the highest speed recorded on such roads in an investigation covering nearly half of UK police forces.

Nearly half (48%) of UK police forces caught drivers exceeding 90mph on 30mph roads in the 20 months to the end of August last year, an investigation has found – with the highest being on Yorkshire roads.

The RAC, which obtained the figures, said they demonstrate "incredibly dangerous actions" by motorists and called on the Government to use its forthcoming road safety strategy to tackle "avoidable casualties" in crashes involving speeding drivers.

The highest recorded speed on 30mph roads included in the analysis was 122mph in the South Yorkshire Police area.

The RAC has obtained police figures showing the highest speeds recorded by UK forces between the start of January 2023 and the end of August 2024.

In the full breakdown of f the highest speeds on 30mph roads, three other Yorkshire constabularies figures made the list.

West Yorkshire Police clocked a driver going 112mph, North Yorkshire Police flagged someone going at 77mph and Cleveland Police found a driver doing 64mph.

For 20mph roads, the top speed was logged by North Wales Police at 88mph.

Roads with 20mph and 30mph limits are more likely to have a higher number of pedestrians, cyclists and other vulnerable groups, the RAC said.

The fastest speed detected on any road was 167mph on a 70mph stretch of the M1 motorway by Leicestershire Police .

The figures were obtained through Freedom of Information requests to 45 police forces relating to the period from the start of January 2023 to the end of August 2024 .

Forty forces provided data.

RAC road safety spokesman Rod Dennis said: "Although this data is a snapshot, it shines a light on the incredibly dangerous actions of a few, that are putting law-abiding road users at serious risk. Thankfully, the police were on hand to catch these drivers.

"There is no place for the vastly excessive speeds that some people are prepared to drive.

"Speed is the leading cause of deaths on UK roads.

"We look forward to the Government's forthcoming road safety strategy understanding what can be done to reduce such avoidable casualties on the UK's roads."

Chief Constable Jo Shiner , the National Police Chiefs' Council lead for roads policing, said: "We know that some incidents of going over the speed limit can be genuine mistakes or errors, but the speeds cited here are clearly drivers taking deliberate decisions to travel at excessive speeds, putting everyone at risk.

"Speed limits are set based on many factors, including the road layout, what's in the surrounding area and taking into account where there might be more vulnerable road users.

"Choosing to drive above those limits is reckless, selfish and completely unacceptable."

Separate Department for Transport (DfT) statistics show 331 people died in crashes on Britain's roads in 2023 in which a driver exceeding the speed limit was a contributory factor.

This was at least a 10-year high and represented 21% of all road fatalities.

An RAC survey carried out last year indicated 55% of drivers believe there is a culture among UK road users that it is acceptable to speed, with only 23% disagreeing with this assertion.

A DfT spokesman said: "There's no excuse for those who risk the lives of others through speeding, and there are already tough penalties in place for drivers who speed.

"While our roads are among the safest in the world, we are committed to improving road safety, and recently relaunched our Think! campaign with a focus on speeding, particularly on rural roads."

Driver caught at 122mph in South Yorkshire as shocking UK speeding figures revealed