Strand Underpass the former Aldwych tramway station: because of the greater width requirement, 27 trees and some pavement were removed for it to be constructed. The tunnel is used by the 521 bus route northbound. In 2012, the direction of traffic in the tunnel was temporarily reversed, so that it was in use by southbound traffic. This was to facilitate easier traffic flow during the 2012 Summer Olympics. Strand Underpass The Strand Underpass is a one-way vehicle tunnel in central London connecting Waterloo Bridge to Kingsway near Holborn. Opened in 1964, it was built within the former Kingsway tramway subway, which closed
London Bridge station as a "West End terminus". This line opened on 1 May 1844 and most of the services from these two companies were withdrawn from London Bridge, leaving only the Greenwich and Brighton companies using London Bridge station. The Greenwich company was on the brink of bankruptcy and so was forced to lease its lines to the SER, which took effect from 1 January 1845. The next year the two companies, along with other small railways, merged to form the London Brighton and South Coast Railway (LB&SCR). Consequently, there were only two companies serving London Bridge. The LB&SCR used the unfinished