Technical Center, EOLE line (RER E) in Mantes-La-Jolie

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Technicentre, EOLE line (RER E) in Mantes-la-Jolie

Next-generation architecture
Dedicated to the EOLE line (RER E) linking eastern and western Île-de-France via Saint-Lazare station, the technicentre located near Mantes-la-Jolie station provides maintenance, cleaning and troubleshooting for next-generation rolling stock trainsets. A high-performance industrial facility, its network was energized during the summer of 2026.
  • Project owner
    SNCF Mobilités
  • Location
    Mantes-la-Jolie, Yvelines, France
  • Date
    Work in progress (2018–2026)
  • Surface
    Plot: 5 ha. Building: 17,000 m²
  • Category
    Industry, Mobilités
  • Program
    Construction of a 6-track maintenance workshop in the Mantes-la-Jolie triangle area, with a staff restaurant and ancillary premises for operational units.
  • Partners
    SETEC Ferroviaire / JFS Architectes

Landscape serving scale

Helping to break up the imposing scale typical of industrial buildings, the landscape design will soften the massive volumes. On this highly technical site, some 12 m² of planting edges the buildings with greenery.

Where fragmentation mitigates compactness

Expressing the robustness required for this type of structure, the various buildings benefit from a concrete retaining wall. Beyond the deliberately compact appearance, this architectural approach helps anchor the project in its site. To offset the overall imposing scale, all buildings receive cladding at upper level. This vertical rhythm lightens their uniform appearance. Adding fragmentation to the verticality, the cladding varies depending on the structure concerned. This differentiation highlights the diversity of functions while also breaking up the compact aspect of the complex.

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