Norwich also records the site of an Anglo-Saxon church in Tombland, the site of the Saxon market place and the later Norman cathedral. Norwich continued to be a major centre for trade, the River Wensum being a convenient export route to the River Yare and Great Yarmouth, which served as the port for Norwich. Quern stones and other artefacts from Scandinavia and the Rhineland have been found during excavations in Norwich city centre. These date from the 11th century onwards. Norwich Castle was founded soon after the Norman Conquest. The Domesday Book records that 98 Saxon homes were demolished to make
Network Norwich reasons, until February 2018 these both operated as X1, but Norwich To Peterborough was renamed "excel" to stop confusion between the routes. Additionally, Norwich provides a hub for various Excel-branded feeder services which serve locations along the eastern X1 corridor, including the X2, X21 and X22 from Norwich to Lowestoft via Gillingham, Beccles, Worlingham, Carlton Colville, North Cove, and Whitton; and the X11 from Norwich to Belton via Acle, Great Yarmouth, Gorleston-on-Sea and the James Paget Hospital. Several additional routes are operated by Network Norwich without branding applied, usually as they are infrequent services. Services 30, 30a and 30b operate