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CGS / Infrastructure mobilité
CGS / Infrastructure mobilité
Sierre, Switzerland
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Other Projects by Bonnard Wœffray — Architectes FAS/SIA
CGS / Infrastructure mobilité
Sierre, Switzerland
STATUS
Built
YEAR
2017
For many years, the Rhône-valley railway line marked the outer edge of urban growth, with only a handful of industrial buildings beyond the tracks. The town of Sierre is one such example: facing the station stood a wine cellar, an abattoir and storage tanks. The new Gare Sud complex now replaces this industrial brownfield. It comprises a bus station, an underground car park with 200 spaces, and a footbridge that spans the tracks to connect the station square with the bus terminal. A new business and general-studies school completes the ensemble.
Making the most of the site’s limited width, the mobility hub occupies the strip of land alongside the railway. The bus station sits directly above the semi-submerged car park. The overall footprint is determined by the capacity of the bus station, which provides eight bus bays served from a central platform beneath an elegant canopy. Bus movements and turning radii set the building’s width—sufficient to adopt a car-park layout with a looping circulation aisle and angled parking spaces. A two-way spiral ramp links Route de la Mondrèche to the car park’s two levels.
The footbridge is the literal and figurative link between the north and south sides of town, knitting together the various modes of transport. The semi-subterranean structure is reinforced concrete; the above-ground parts are clad in galvanised grating, allowing natural ventilation of the car park. Carefully routed services, a distinctive graphic that marks parking zones, and colour-coded columns shape the car park’s atmosphere.
The bus-station canopy is a steel structure carried on concrete columns, its aluminium cladding giving it a crisp profile. The footbridge follows the same construction logic: a steel frame rests on concrete piers that house the lift shafts and stair cores. Inside, an orange lining underscores the new urban connection, clearly visible from the hillside overlooking the town.
Making the most of the site’s limited width, the mobility hub occupies the strip of land alongside the railway. The bus station sits directly above the semi-submerged car park. The overall footprint is determined by the capacity of the bus station, which provides eight bus bays served from a central platform beneath an elegant canopy. Bus movements and turning radii set the building’s width—sufficient to adopt a car-park layout with a looping circulation aisle and angled parking spaces. A two-way spiral ramp links Route de la Mondrèche to the car park’s two levels.
The footbridge is the literal and figurative link between the north and south sides of town, knitting together the various modes of transport. The semi-subterranean structure is reinforced concrete; the above-ground parts are clad in galvanised grating, allowing natural ventilation of the car park. Carefully routed services, a distinctive graphic that marks parking zones, and colour-coded columns shape the car park’s atmosphere.
The bus-station canopy is a steel structure carried on concrete columns, its aluminium cladding giving it a crisp profile. The footbridge follows the same construction logic: a steel frame rests on concrete piers that house the lift shafts and stair cores. Inside, an orange lining underscores the new urban connection, clearly visible from the hillside overlooking the town.
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