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Potholes: Self-healing roads aim to offer solution to crater crisis

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Also known as bitumen, asphalt is a sticky black substance derived from crude oil, widely used to construct roads, highways and airport runways.

As it hardens through oxidisation it becomes prone to cracks, but researchers have developed methods to “stitch” asphalt back together, creating more durable roads.

Lead researcher and expert in self-healing asphalt at Swansea University, Dr Joe Norambuena-Contreras, said the approach would help the develop net-zero roads as road carbon emissions can largely be linked to asphalt production.

He has called upon both the UK Government and private sector to invest in the initiative to meet net-zero targets.


BBC News

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