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Bus, tram, metro and RER network punctuality and regularity are our passengers’ main concerns. Our operations teams strive to maintain ser...

Our network comprises 14 metro lines and 2 RER stations, the majority of which are underground. Every day, our tunnels and underground st...

From the accumulation of mud and debris in the tunnels, to the malfunctioning of electrical equipment and the complete destruction of tra...

Before putting our metro, tramways or RER into service, we first conduct “dry runs” – which is to say we run the trains without passenger...

When we announce that traffic is disrupted or halted due to an anomaly, it can refer to several different situations. So what’s gone wron...

As early as 2016, and as part of our energy and climate policy, the regular lights in our network have been completely replaced by LEDs, r...