This content was extracted from Wikipedia and is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License
The M57 is a major metropolitan route in Greater Johannesburg, South Africa. A north/south route, it connects Germiston with the south-eastern suburbs of Pretoria via Kempton Park and Olifantsfontein. For most of its length, it is an alternative route to the R21 freeway.