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
London Underground infrastructure although in some places, for example the Central line east of St Paul's station, tunnels are above each other. The running tunnels are on the right on the Victoria line between Warren Street and King's Cross St. Pancras, allowing cross-platform interchange with the Northern line between northbound and southbound trains at Euston. Six of the 32 London boroughs are not served by the Underground. All of these are south of the River Thames: Bexley, Bromley, Croydon, Kingston, Lewisham and Sutton. The borough of Lewisham used to be served by the Underground on the East London line – now part of