Climate change and global warming is an increasing threat for transport networks .One of the biggest problems with roads is their vulnerability to high temperatures. Extreme heat can soften pavements, leading to more cracks, buckling and rutting or surface depress. One solution is heat shields. These are special coatings and tiny hollow ceramic particles that lighten the colour of streets and reflect solar radiation. While such coatings might protect the road surface, they could make life more uncomfortable for pedestrians. How do we balance between building strong roads and making them comfortable for pedestrians ?

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