The total estimated funding requirements to sustain South Africa’s road network, including addressing backlogs in surfacing and capacity expansion, is nearly R120-billion, and the country’s fuel levy provides insufficient funding, the CEO of the national roads agency has said. In remarks at a Durban conference, South African National Roads Agency (Sanral) CEO Skhumbuzo Macozoma said the future contribution of the fuel levy to the Central Revenue Fund was uncertain with the projected electric car take-off in 2022 and established vehicle efficiency technologies.