New technology and alternative materials are being put to the test in the fight against potholes.
Sunderland City Council began trials in the Tunstall and Humbledon ward on Monday, October 5, and is planning a second trial in the Washington West ward.
The trials are part of the council’s ongoing efforts to find more effective and long-lasting ways to repair potholes.
"We recognise the frustrations of all highways users when it comes to potholes" (Image: Sunderland City Council)
Councillor Bill Blackett, cabinet member for environment, transport and enforcement, said: "As with many other councils, we recognise the frustrations of all highways users when it comes to potholes.
"What we want to make completely clear is that we're not standing still.
"As well as getting on with thousands of repairs, we're actively exploring different approaches and technologies for tackling potholes."
The trials involve testing new materials, including those with higher recycled rubber content, and alternative application techniques.
The goal is to determine whether these new methods could deliver more durable repairs and better value for money.
Cllr Blackett said: "It’s important that we keep looking at innovations, new technology and establish whether they can give us more resilient repairs and better value for the city.
"The trials this week will give us more of an idea of what's on the market, whether they're suitable, and over the wetter and colder winter months we can monitor the trials and then make further decisions."
The trials involve testing new materials, including those with higher recycled rubber content (Image: Sunderland City Council)
Between March 1 and September 20, 2026, the council say it repaired 7,586 potholes and committed an extra £1 million to its repair programme.
It added that more than 5,000 repairs were completed in just two months earlier this year - around double the usual number.
Like many other highway authorities, Sunderland has seen a rise in potholes, largely due to prolonged wet weather and the age of its road network.
Councillor Andrew Ramsey, deputy leader and cabinet member for corporate services and local government efficiency, said: "We do want to see if we can get more ahead of the curve on pothole repairs.
"We recognise the frustration that everybody feels and we want to see if we can be more proactive instead of reactive, especially if we can reduce the chances of having to go back to existing potholes."
The trials will be monitored over the coming weeks and months, particularly as winter weather puts further strain on road surfaces.
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Cllr Blackett stressed the importance of securing additional resources.
He said: "Just as importantly, we're working with other councils and asking central Government about more resources on looking after and caring for our highways network."
Sunderland City Council expects to spend nearly £10 million on highways maintenance this financial year, which will include resurfacing around 17 miles of road.