R55_(Gauteng) R55 is a north-south Regional Route in South Africa that connects Pretoria with Sandton.It passes Woodmead, Kyalami, Olivenhoutbosch, Heuweloord, Sunderland Ridge, Erasmia, Laudium/Claudius, West Park, the Daspoort Tunnel and Danville.It connects with the M1, N14, and R80 highways.