Under Construction
Grand Paris Express
Paris · Travel
The world's largest metro project in construction — 200km of new automated metro lines encircling Paris, connecting suburbs and airports with 68 new stations.
Official WebsiteLast verified Jun 6, 2026
4.6 yrs to delivery
60%
AnnouncedBreaking GroundConstructionOpening SoonNow Open
2015
Start
2030
Completion
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The story so far
Broke ground2015
Under construction
Expected opening2030
Milestones are dated to when they actually happened and linked to their source. This record fills in over time as TMW tracks the project.
Developer & design
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