Kingsway tramway subway

The Kingsway Tramway Subway is a cut-and-cover Grade II Listed tunnel in central London, built by the London County Council, the only one of its kind in Britain. The decision in 1898 to clear slum districts in the Holborn area provided an opportunity to use the new streets for a tramway connecting the lines in the north and south and, following the pattern of tramway systems in New York (the Murray Hill Tunnel) and Boston (the MBTA Green Line), it was decided to build this as an underground connection. The London County Council had, for many years, wanted to connect its "North Side" and "South Side" tramway systems in order to be able to send the "North Side" vehicles for overhaul to the Central Repair Depot at Charlton in South East...