The Burgernziel tram stop, built in 1946, is a defining element of Bern’s urban fabric and a clear expression of Swiss functionalism. Its symmetry, restrained material palette, and cantilevered concrete roof give the structure a calm but distinct presence at the center of the junction.

Although the building no longer meets current technical standards, it remains deeply rooted in the collective memory of the neighborhood. Rather than replacing it, the project retains the structure in its original location, preserving its role as a point of orientation within the city. Sustainability is approached as a central design principle, grounded in the continued use and careful upgrading of the existing structure. By retaining the structure, the project reduces embodied carbon by approximately 24.5 tCO2e, or around 90% compared to a new build alternative.

The intervention builds directly on the existing tram stop, maintaining its form, proportions, and spatial clarity. Adjustments are precise and measured, improving usability while respecting the architectural integrity of the original design.

The kiosk is opened toward the surrounding public space. Covered waiting areas are integrated within the existing structural rhythm, providing shelter while maintaining openness. Openings in the roof are formed by local cutting of the existing slab, without altering the primary load-bearing system. These introduce daylight and reinforce the depth of the concrete canopy. Linear lighting along the roof edges improves legibility after dark and supports visibility and traffic safety at the junction.

A continuous wooden bench is integrated directly into the concrete structure, forming a coherent element within the overall composition. Timber surfaces align seamlessly with the existing concrete, introducing warmth while maintaining clarity. Transparent glazing enables year round use while preserving visual continuity. The adjacent pedestrian island is complemented with seating and planting, subtly extending the presence of the tram stop.

The existing concrete structure is preserved and forms the foundation of the project. The intervention works with the structural shell, limiting modifications to targeted adjustments and additions. Materials remain consistent with the original building, exposed concrete, wood, and glass, executed with precision and restraint.