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 Greater London Authority. The crossing also delineates an area along the southern bank of the River Thames, between London Bridge and Tower Bridge, that has been designated as a business improvement district. The abutments of modern London Bridge rest several metres above natural embankments of gravel, sand and clay. From the late Neolithic era the southern embankment formed a natural causeway above the surrounding swamp and marsh of the river's estuary; the northern ascended to higher ground at the present site of Cornhill. Between the embankments, the River Thames could have been crossed by ford when the tide was low,