- Rodalies de Catalunya (Renfe): The Rodalies network consists of eight lines, designated R1 to R8, connecting Barcelona with various suburban areas and towns. This service is crucial for commuters traveling to nearby municipalities like Badalona, Mataró, and Sant Cugat del Vallès. Trains typically run from early morning until midnight, with extended hours on weekends.
- FGC Lines: The FGC operates several lines (S1, S2, L6, L7, L8) that serve both urban and suburban areas. Notably, the L6 line runs to the northern suburbs, while the S lines connect to regions like Manresa and Montserrat. These trains also share tracks with some metro services, allowing for seamless transfers within the city.