R8 (Rodalies de Catalunya)
The R8 is a line of Rodalies de Catalunya's Barcelona commuter rail service, operated by Renfe Operadora. It runs hourly between Martorell and Granollers across the Vallès Occidental region, spanning and eight stations. The R8 primarily uses the Castellbisbal–Mollet-Sant Fost railway, as well as the Sant Vicenç de Calders–Vilafranca del Penedès–Barcelona and Barcelona–Cerbère railways on its southern and northern ends, respectively. It is currently the only line of the Barcelona commuter rail service entirely bypassing Barcelona. The trains operating on the line are "Civia" electrical multiple units (EMU). R8 trains  started operating on after a service restructuring affecting the Barcelona commuter rail service. The , which had previously run between and stations via Vallès Occidental and Barcelona, was shortened and started operating between and Barcelona Sant Andreu Arenal stations. The newly created R8 took over the former route of line R7 between Martorell and Cerdanyola Universitat stations, then continuing eastwards to Granollers Centre railway station, without entering Barcelona. List of stations. The following table lists the name of each station served by line R8 in order from west to east; the station's service pattern offered by R8 trains; the transfers  to other Rodalies de Catalunya lines, including both commuter and regional rail services; remarkable transfers to other transport systems; the municipality in which each station is located; and the fare zone each station belongs to according to the Autoritat del Transport Metropolità (ATM Àrea de Barcelona) fare-integrated public transport system and Rodalies de Catalunya's own fare zone system for Barcelona commuter rail service lines.