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Sitges is walkable end-to-end. The Casc Antic and the 2 km Passeig Marítim cover almost every visitor itinerary on foot. The Rodalies R2 Sud commuter rail from Barcelona-Sants reaches Sitges in 35 minutes with a clear dogs-allowed policy (small dog in carrier free, larger dog muzzled at conditional fare). Mon-Bus runs direct Barcelona-El Prat airport to Sitges shuttle every 30 minutes. The Ajuntament city bus L1 and L2 follow Catalan municipal rules: small dogs in carriers free, larger dogs at the driver`s discretion outside rush hour.