Is it signposted?
Yes, although it switches between 1, 30 and 11 on the way round. It's National (red) Cycle Route 1 from Lynn to Wighton near Wells, then Regional (blue) Route 30 to Yarmouth, National 1 or 517 to Lowestoft (except for any Ness Point and Marine Parade detours), Regional 30 to Weeting near Brandon, Regional (30) to Denver near Downham Market, National 11 to Watlington, 30 to Lord's Bridge and then 1 back to Lynn.
Is it complete?
Yes, although some signs on the Cromer to Yarmouth are smaller than usual or stickers on fingerpost arrows and there are occasional missing signs.
What does the route connect to?
National Cycle Route 1 connects from the northwest and midlands at Lord's Bridge between Watlington and Lynn, or from the southeast at Beccles. Route 1 can also be used to make a shorter loop or longer 8 shape by connecting Wells to Beccles via Fakenham and Norwich. More direct access from London and Cambridge is offered by Route 11 which joins the route at Denver near Downham Market (but this has been declassified by Sustrans in July 2020, so its exact route may change). Finally, Route 13 from Colchester crosses the route near Thetford and connects to Route 1 at Fakenham, while the Peddars Way MTB route connects Thetford to Sedgeford near Ringstead.