The R556 is a Regional Route in South Africa. Its north-western terminus is in Sun City, North West from where the road is designated the R565 and abruptly changes direction, heading south to Rustenburg. It passes the southern entrance of the Pilanesberg National Park, and then crosses the R510. Its south-eastern terminus is the N4, between Rustenburg and Pretoria.
Map of R556, South Africa
References
R556 road (South Africa) Wikipedia(Text) CC BY-SA