Upgrading the network

We’re meeting the twin challenges of increased traffic and aging infrastructures with a sweeping programme of upgrades—some 1,600 projects a year between now and 2020. Many are in the Paris area, which accounts for 70% of passenger traffic.

View maps of works projects across the network

Network upgrades

Select a station or line to see the network upgrades we’re planning to make.

Go to the works projects map

Maintenance works on your line 

Select a station or line to see the maintenance works on your line.

Go to the works projects map

Be a part of it

Want a first-hand look at what we do? Follow our news feed, reported directly from our teams on the ground. Get all the details on our most ambitious works—or explore our innovative sustainability projects.

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