Red Asphalt The upgrading of Durban Western Freeway on behalf of Ethekwini Municipality has been extended to include the rehabilitation of an additional 15km. This entails extensions to the concrete median barrier plus asphalt rehabilitation, as well as the introduction of a Public Transport Lane. The latter will allow buses, mini bus taxis and metered taxis ox. exclusive unrestricted use of the fast lane in both directions. Multi-disciplinary consulting engineering firm, Vela VKE, has been tasked with the design and implementation of the Public Transport Lane which will be demarcated by means of red coloured asphalt using an imported, colourless synthetic binder plus locally produced iron oxide