Tours of the Kingsway tram tunnel announced

Rarely opened to the public since it closed in 1952, there will be tours of the Kingsway tram subway in Holborn for a couple of months this summer.
Holborn tram station (c) LT Museum
The subway is one of those hidden in plain sight parts of London’s disused transport network, as the slope that runs down to the tunnel is easily seen from Southampton Row to the north of Holborn. From there, it dips down to the tunnel, which once included a dedicated underground stop for the trams next to Hol