The section of Ermine Street from London to Royston, Hertfordshire is now part of the A10. At this point it crosses the Icknield Way. The section from Huntingdon to Colsterworth is now part of the A1.
I. D. Margary, Roman Roads in Britain (3rd ed. 1973)
Ermine Street was also the name of a road from Silchester to Gloucester.