Ermin Street or Ermin Way was a Roman road in Britain. It linked Glevum (Gloucester) to Corinium (Cirencester) to Calleva (Silchester).At Glevum, it connected to the road to Isca (Caerleon), the legionary base in southeast Wales. At Corinium, it connected to the Fosse Way between Isca (Exeter) and Lindum (Lincoln).