Roads with rough surfaces are noisiest, while asphalt is quieter ad smoother in comparison. SANRAL undertook an investigation into seal types that could potentially reduce noise, with the intention to use the resulting information to lay ..
It was a wonder to see a Mirage on the N1 between Pretoria and Johannesburg. It paid a national road visit in the early hours of 24 September, Heritage Day. The aircraft left the Waterkloof Air ..