Liverpool Street signal box

Liverpool Street signal box is a working railway control building constructed from yellow stock brick with a timber-framed upper section at the station. Windows positioned on each side of the structure allowed operators to monitor track activity and train movements throughout the facility.

The structure began operation in 1875 as part of the Metropolitan Railway extension from Moorgate with a control system using 40 mechanical levers. It has been adapted over time to support modern automated train management from other locations.

The building shows how London's transportation network evolved during the Victorian period through improved methods of controlling trains underground. It represents the practical solutions engineers developed to manage increasing railway traffic safely.

Access to the interior is limited for visitors, but the exterior is visible from various points around the station. Visiting during regular station hours allows you to view it in its working context without disrupting rail operations.

The building received Grade II listed status in 2013, making it the third Underground structure in London to gain this protection. This recognition highlights its importance as a preserved example of Victorian railway engineering.

Location: City of London

GPS coordinates: 51.51747,-0.08361

Latest update: December 14, 2025 11:26