what does Rivelin Rocks and A57 road have in common?
Rivelin Rocks Rivelin Rocks are a gritstone edge or escarpment in the upper Rivelin Valley at grid reference [ SK279873] , 9 km west of Sheffield just off the A57 road in the county of South Yorkshire, England.
R723 road (South Africa) The R723 is a Regional Route in South Africa. Its north-western terminus is the R59 at Parys. From there it runs south-east, crossing the N1. It then meets the R82, and becomes cosigned with it briefly, heading east. Diverging from the R82, it continues south-east to end its route at Heilbron at an intersection with the R59.