The design task focuses on the northern and southern parts of the Pisara metro line and a station for the Töölö area. The Töölö station is located in a nationally significant built cultural environment. Project scope included all underground facilities and connections to the station. The extensive station platform had above ground connections to Töölöntori and the Kisahalli Sport Centre.

Architectural design included functional and space planning, traffic planning for the station and its surroundings, and environmental planning for surface connections.