The R573 is a Regional Route in South Africa that connects Pretoria with Marble Hall via KwaMhlanga and Siyabuswa.

[1] Its south-western terminus is a junction with the R513 road just north-east of Pretoria, Gauteng (east of Montana Park).

From Kwaggafontein, the R573 continues north-east to bypass Mathys Zyn Loop and Boekenhouthoek before crossing into Limpopo at the town of Witfontein.

[1] Just after Siyabuswa, the R573 crosses back into Limpopo and continues north-east for 30 kilometres to end at a junction with the R33 and N11 national route in Marble Hall, just south of the town centre.

[9][10] The group of protesters were protesting at the Union Buildings in Pretoria, claiming that the Moloto Development Corridor (road and rail) is incomplete and that the Finance Minister and Treasury should quickly make the money available for the development corridor.