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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...

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

Why are trains sometimes blocked in tunnels for a few moments? How does RATP manage passenger and traffic flows? ...

A network like ours needs to be maintained. We have 10,000 employees working daily to maintain its proper functioning. Their mission? To ...

Our mechanics ensure the maintenance and repair of all our rolling stock, which includes the metro and RER trains and the trams. Their mis...

Maintenance operators take care of rolling stock to guarantee passenger safety and comfort every day. Valérie, who works at the Boulogne ...