Crumbling roads: the bitumen problem bites
Potholes and corrugation, a common theme across New Zealand’s roads, could come down to putting the right mix of bitumen in the right area.
Potholes: weather yes, but also potentially the wrong mix.
Overuse and weather events are cited as a key reason for the crumbling status of New Zealand roads, resulting in frequent closures, congestion and vehicle damage.
Ia Ara Aotearoa Transporting NZ pinpoints neglect of the country’s roading network as the biggest safety threat across its more than
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