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 opened on 25 February 1900. The station entrance was originally at Three Castles House on the corner of London Bridge Street and Railway Approach, but has since been moved to Borough High Street and Tooley Street. The original entrance remained standing until March 2013 when it was demolished. In the aftermath of the King's Cross fire in 1987, an independent report recommended that London Underground investigate "passenger flow and congestion in stations and take remedial action". As a consequence, the congested Northern line platforms were rebuilt during the late 1990s, increasing the platform and circulation areas for the opening of