INT studio
INT studio Sàrl
C/O Univercité #208
Chemin du Closel 5


M3 - Stratorielle

In a team with the Baraki architecture and Schlaepfer-Capt, INT was a finalist in the competition for the design of the new identity of the M3 subway in Lausanne (street furniture, signage, lighting and digital).

Our project: The m3 is the only subway in Lausanne that is entirely underground and crosses different layers of the subsoil in an innovative sensory journey. Each station is materialized around an imaginary theme linked to the underground, which comes to life and is electrified when the metro train arrives. A true station icon, the animated decor helps identify the place while belonging to the overall theme: the journey in the underground.

Here are the themes chosen for each station:

  • Blécherette: wind erosion / wind dynamics
  • Plaines-du-Loup: Glacio-lacustrine layer / Bioluminescence
  • Caserne: Quartz cavern / Acoustic resonance
  • Beaulieu: Upper crust / Seismic activity
  • Chauderon: Rare metals / Technological components
  • Lausanne-Flon: Aquifer / Underground lake
  • Lausanne-Gare: Core / Convective flows


For the final round of the competition, the Stratorielle team developed:

A modular urban furniture design made in hardwood, a suspended light system as well as LED bars that intensify at the arrival of each train, a simple but effective signage echoing the one of the M2 metro, a generative system to help placing the different elements according to certain spatial conditions, a choice of cladding and materials for the stations, a prototype of informative interactive screens with the theme “strata” in the form of video animations, a complete model of the station at 1/50 scale as well as an interactive luminous model of the identity decors of each station at a scale of 1/20. It is accompanied by sounds (with a mineral resonance) and voices - of different inhabitants of the district - announcing the names of the stations.