City of London London River Services pier is on the Thames in the City, Blackfriars Millennium Pier, though the Tower Millennium Pier lies adjacent to the boundary near the Tower of London. One of the Port of London's 25 safeguarded wharves, Walbrook Wharf, is adjacent to Cannon Street station, and is used by the Corporation to transfer waste via the river. Swan Lane Pier, just upstream of London Bridge, is proposed to be replaced and upgraded for regular passenger services, planned to take place in 2012–2015. Before then, Tower Pier is to be extended. There is a public riverside walk along the river
Cannon Street station the place from which all distances in Roman Britain were measured. London Buses routes 15, 17, 521 and heritage route 15H and night routes N15 and N199 serve the station. Cannon Street Station was built on a site where the Hanseatic merchants' steelyard was based from the 10th century until 1598. The site was proposed in 1860 by the South Eastern Railway (SER) in response to their rivals, the London, Chatham & Dover Railway (LC&DR), extending a line into the City of London as far north as Ludgate Hill. The SER had already made plans to extend their line towards