Image credit: Nigel Cox / Geograph Britain and Ireland · CC BY-SA 2.0 · 2008-01-23 ↗
Kingsway Tram Subway: The Surviving Portal of London’s Underground Tramway
Holborn / Southampton Row · Clerkenwell → Angel → Rosebery Avenue → Great Ormond Street → Holborn · Transport history / tunnel / infrastructure
Story
On Southampton Row, a ramp, cobbles, and tram rails descend into what appears to be a piece of ghost infrastructure. This is the northern entrance to the Kingsway Tram Subway, a pioneering work built by the London County Council between 1904 and 1906. Its purpose was to link the tram networks north and south of central London without overloading the newly created streets around Kingsway. This underground tramway was an exceptional project, unique in Britain. Initially, single-deck trams used it, but in 1930 the tunnel was deepened to accommodate double-deck vehicles. The tram service closed in 1952. While part of its southern section was repurposed in the 1960s as the Strand Underpass for road traffic, this northern section has retained its cobbles, rails, glazed brickwork, and granite portal, and is now a Grade II listed structure. Normal visiting is from outside. Access to the interior of the tunnel is not permitted, except on occasional organised tours or special events.
What to look for
Look for the tram rails still descending into the tunnel, the original cobbles, and the impressive granite portal marking the entrance to this vanished subterranean network.
Secret detail
While the tramway itself is gone, the southern end of the tunnel has a second life, having been converted into the Strand Underpass, a road tunnel still in use today.
Where exactly
Find the surviving ramp on Southampton Row near Vernon Place; remain in the public street area above.
Orientation
View the ramp from Southampton Row; do not cross barriers or descend into the tunnel except on an official tour.
Why it matters
This portal reveals an ambitious Edwardian engineering solution, showing how London attempted to integrate modern, efficient public transport without compromising its central street-level space. It is a physical reminder of an era of urban transport innovation.
Access & opening
No routine public tunnel access. Use live tour/event data only.
Exterior free; official tours/events may be paid.
We never show live status. Check opening hours before you go.
Accessibility
Exterior viewpoint on public pavement; interior tours may involve specific access constraints.