At the Gare du Nord, the 43 switches on tracks 30 to 36 are preparing to be replaced. “This is an exceptional and essential project,” says Gilles Gautrin, director of modernization and development at SNCF Réseau Île-de-France.

With, as a result, some upheavals on the lines H, K and TER (regional express trains) The change of these devices will take place until the beginning of June.