The A1198 is a road in Cambridgeshire, England, following the route of Ermine Street between the A505 at Royston, Hertfordshire and Godmanchester, near Huntingdon.This road was designated as a major road during road classification in 1921, and originally carried the number A14. When the M11 motorway was completed, and traffic was encouraged to follow the new motorway and the Via Devana (then the A604, now the modern A14 road) instead.