Summer is here, mobility in Barcelona decreases and, as every year, Transports Metropolitans de Barcelona (TMB) takes advantage of the downturn to carry out the toughest improvement works on the network. This summer, the most important actions will be carried out on L1, L9 and some interchanges such as Verdaguer and Plaça de Catalunya. Before starting the works, TMB will carry out information campaigns to warn citizens about the changes.

It's only been a year since he was appointed director of the Autoritat del Transport Metropolità. Before that, Manuel Valdés - an engineer by training - had spent 17 years at Barcelona City Hall, where he promoted the new bus network, the low-emission zone, the superblocks and the tram along the Diagonal. All this experience, he says, has helped him to delve into the "engine room" that is the ATM: "In the morning I want to see the message that everything is working normally."