road) before becoming Voortrekker Street at the northern end of the CBD, heading north. Just after, at the junction with the N12 Highway (Johannesburg Southern Bypass; Johannesburg Ring Road), the R103 designation ends and the road continuing northwards to Johannesburg Central remains designated as the M31 road. References External links Routes Travel Info Regional Routes in KwaZulu-Natal Regional Routes in the Free State (province) Regional Routes in Gauteng