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 British Parliament decided that the London and Greenwich line should become the entry corridor into London from South East England. The two railways were therefore required to share the route of the London and Croydon Railway from near Norwood (which in turn shared the route of the London and Greenwich Railway from Bermondsey to London Bridge). As a result, in 1838 the London and Croydon Railway obtained powers to enlarge the station it was then constructing at London Bridge, before it had opened for traffic. The London and Croydon Railway opened its line and began using its station on 5