what does Rivelin Rocks and A57 road have in common?
A57 road The A57 is a major road in England. It runs east from Liverpool to Lincoln, via Warrington, Cadishead, Irlam, Patricroft, Eccles, Salford and Manchester, then through the Pennines over the Snake Pass (between the high moorlands of Bleaklow and Kinder Scout), around the Ladybower Reservoir, through Sheffield and past Worksop. Within Manchester a short stretch becomes the A57(M) motorway (the Mancunian Way).
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.