The R511 is a Regional Route in South Africa that connects Sandton (north of Johannesburg) with Thabazimbi via Hartbeespoort and Brits.

North of Witkoppen Road, it passes through the affluent Lonehill and Dainfern suburbs to reach the township of Diepsloot.

[1] On the other side of the N14 interchange, it enters the City of Tshwane Metropolitan Municipality and intersects with the R114 at a staggered junction (co-signed for 1.6 kilometres).

The R511 crosses the Hennops River (becoming a short mountain pass) and proceeds to meet the R104 road (WF Nkomo Street; Elias Motsoaledi Street) before flying over Pretoria's M4 freeway (Magalies Toll Freeway) near Flora Park.

[1] After passing over the M4 freeway, the route crosses into the North West and enters the Hartbeespoort suburb of Flora Park in a north-westerly direction.