Pietermaritzburg Ring RoadThe Pietermaritzburg Ring Road, also known as the Pietermaritzburg Bypass is a halfway ring road that circles the city of Pietermaritzburg, South Africa. It is part of the N3 National Route.RouteThe half ring road is part of the N3 freeway. The 9 km half ring road follows east around Pietermaritzburg. It starts at the R103 split in the northern suburb of Athlone and ends at the R56 merge in the southern suburb of Scottsville.