Bakwena Platinum Corridor Concessionaire (Pty) Ltd, (Bakwena) is responsible for the N1N4 route. The N1N4 route consists of 90 kilometres of a section of the N1 running from Tshwane northwards to Bela-Bela (Warmbaths) and a 295 kilometre section of the N4 running from Tshwane westwards through Rustenburg and Zeerust to the Botswana border.