Fosse Way Fosse Way The Fosse Way was a Roman road in England that linked Exeter ("Isca Dumnoniorum") in South West England to Lincoln ("Lindum Colonia") in Lincolnshire, via Ilchester ("Lindinis"), Bath ("Aquae Sulis"), Cirencester ("Corinium") and Leicester ("Ratae Corieltauvorum"). It joined Akeman Street and Ermin Way at Cirencester, crossed Watling Street at "Venonis" (High Cross) south of Leicester, and joined Ermine Street at Lincoln. The word "Fosse" is derived from the Latin "fossa", meaning "ditch". For the first few decades after the Roman invasion of Britain in CE 43, the Fosse Way marked the western frontier of Roman rule in Iron
Isca Augusta River Usk. The suffix "Augusta" appears in the Ravenna Cosmography and was an honorific title taken from the legion stationed there. The place is commonly referred to as "Isca Silurum" to differentiate it from Isca Dumnoniorum and because it lay in the territory of the Silures tribe. However, there is no evidence that this form was used in Roman times. The later name, "Caerleon", is derived from the Welsh for "fortress of the legion". Isca was founded in AD 74 or 75 during the final campaigns by Governor Sextus Julius Frontinus against the fierce native tribes of western Britain, notably