Controversial M25 / A3 Wisley major upgrade given green light by government

A major road in Surrey has been given the green light for a government renewal. Transport Secretary Grant Shapps on Thursday (May 12) announced the announcement of improvements to the M25 junction 10 at the A3 junction at Wisley.

The intersection is one of the busiest in the country and experiences daily large queues and congestion. It also has one of the highest recorded collision rates across England’s motorway and major A roads nationally.

National Highways, which operates and maintains motorways and major A-roads in the UK, said this project would reduce collisions by about a third. The major works will include a new elongated roundabout as well as four new dedicated free-flowing access roads designed to reduce traffic jams between the M25 and the A3.

READ MORE: Extinction Rebellion protest against £ 250m Wisley Interchange expansion plan

The M25 will be increased from three to four lanes through the junction. The A3 will be widened from three to four lanes on each side of junction 10 as well as improving the A245 at Painshill. Better routes will also be implemented for pedestrians, cyclists and riders.

The scheme will also restore more than 22 hectares of heath as well as planting new forest area. Britain’s first ‘heathland’ green bridge ever will connect walkers and cyclists to these important habitats for the first time. However, the upgrade has long been opposed by the RHS Wisley campaign group for environmental reasons.



The artist’s impression of the extended roundabout at the Wisley Interchange

National Highways Regional Delivery Director Chris Welby-Everard said: “We are delighted [Thursday, May 12] announcement, which means we can now continue our project to improve the M25 junction 10 / A3 junction near Wisley. This vital work will improve the safety and reliability of nearly 300,000 drivers a day and generate more than 400 jobs.

“We are grateful to stakeholders for their continued commitment and contribution to the development of the scheme and will continue to work with them as we move the project forward.” The work is expected to start later this year.

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