| Country: | ZAF |
| Terminus A: | in Soshanguve |
| Next Route: | 43 |
| Next Type: | M |
| Previous Route: | 39 |
| Previous Type: | M |
| Terminus B: | in Mabopane |
| Direction B: | West |
| Junction: | in Soshanguve |
| Direction A: | East |
| Type: | M |
| Length Km: | 4 |
| Maint: | City of Tshwane Metropolitan Municipality |
| Route: | 42 |
| Previous Dab: | Pretoria |
| Next Dab: | Pretoria |
| Cities: | Soshanguve, Mabopane |
| Marker Image: | none |
The M42 road is a short metropolitan route in the City of Tshwane in Gauteng, South Africa. It consists of one street (Ruth First Road) in Soshanguve.[1] [2] [3] [4]
The M42 route begins in Soshanguve at an off-ramp junction with the R80 Mabopane Highway. It heads westwards as Ruth First Road through the southern part of Soshanguve, meeting the M43 route, to cross a railway and enter Mabopane, where it ends at a junction with the M17 route.