With 83.6% of the national road network under South African National Roads Agency Limited’s (Sanral’s) jurisdiction exceeding its 20-year design life, there is increased risk of rapid deterioration during the wet season, owing to the old, cracked surfaces being susceptible to moisture ingress, says communications and marketing GM Vusi Mona. “This is clearly evident from the recent above average summer rainfall over large parts of South Africa, resulting in an increased number of potholes being reported and significant damage to roads in KwaZulu-Natal last month.”