'Self-healing roads' could help fix pothole problem, scientists say
A senior lecturer at Swansea University told Sky News it was a "complex process" but that the aim was to "stimulate" materials to close cracks by themselves.
Potholes could soon heal themselves, according to a team of researchers.
We already have self-repairing potholes in Derbyshire. After a pothole is filled with ordinary tarmac, within a relatively short time it often repairs itself, gradually reinstating itself as a proper pothole.
Or is that not what they mean?
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