The A1 is a national highway in Namibia. The 76 kilometres (47 mi) stretch of road between Windhoek and Okahandja is the only A-rated road in Namibia. Consisting of freeway for its entire length, it came into existence in 2017 when freeway sections of the B1 were redesignated A1 in accordance with new standards of the . The entirety of the A1 forms part of the Trans-Kalahari Corridor and, together with the B1, also forms part of the Tripoli-Cape Town Highway.