Thames Street, London Thames Street, London Thames Street, divided into Lower and Upper Thames Street, is a road in the City of London, the historic and financial centre of London. It forms part of the busy A3211 route (prior to being rebuilt as a major thoroughfare in the late 1960s, it was the B132) from Tower Hill to Westminster. The London Bridge underpass marks the divide between Upper and Lower Thames Street, with Lower to the east and Upper to the west. Thames Street is mentioned in the diary of Samuel Pepys. The first mention of the road, however, is from 1013 when
London Bridge station provided at London Bridge; the first station south of the river was at Borough. King William Street was found to be badly placed owing to a steep incline towards the station from underneath the Thames, which limited its capacity. When the decision was made to extend the C&SLR northwards to Moorgate, a new pair of tunnels was constructed from north of Borough station on a new alignment providing a more convenient route and the opportunity to open a station at London Bridge. The tunnels to King William Street and the station were closed and the extension and London Bridge station