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 of routes 40a and 41a, which Network Norwich are taking over from Konectbus. Norwich bus station is a major hub of the Excel bus network operated by First Norfolk & Suffolk, which provides services between Peterborough in Cambridgeshire and Lowestoft in Suffolk. The bus station provides the main interchange point between the western "excel" route between Peterborough, Wisbech, King's Lynn, Swaffham, Dereham and Norwich, and the eastern X1 route between Norwich, Acle, Great Yarmouth, Gorleston-on-Sea and Lowestoft; originally these 2 routes operated as 1 service (X1), but was split in into the 2 routes above in July 2014, for operational