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 Dumnoniorum the line between the Isca fortress and Topsham was excavated at the site on Topsham Road in 2010. Initial dating suggests that it was occupied at the same time as the Isca fortress, –75. The settlement () of Isca Dumnoniorum seems to have developed around the Roman fortress. It is one of the four cities () attributed to the Dumnonii by Claudius Ptolemy in his 2nd-century "Geography" and it served as the tribal capital () of the Dumnonii. It was also listed on the late-2nd century Antonine Itinerary, where it forms the southern terminus of route 15 () on the