Johannesburg estimates that repairing five roads damaged by illegal mining could cost R262m, while sinkholes, unstable ground and underground excavations threaten bridges, electricity and water infrastructure. NewsSportLifestyleEntertainmentOpinion Illegal mining leaves Johannesburg facing R285m-plus infrastructure repair billAnita Nkonki|Published 3 weeks agoCopy to ClipboardAsk AIIllegal mining leaves a trail of damaged roads, bridges, and utilities.