Dogs on Barcelona Public Transport

Barcelona's public transport welcomes dogs with some rules. **Metro (TMB):** Dogs allowed at all times. Small dogs in carriers free. Large dogs on leash with muzzle. **Buses:** Dogs allowed at driver's discretion. Small carriers preferred. **FGC Trains:** Dogs allowed on leash with muzzle. Very useful for accessing Collserola. **Renfe (Regional):** Small dogs in carriers free. Large dogs need reduced fare ticket.