The FL3 is a commuter rail route. It forms part of the network of the Lazio regional railways, which is operated by Trenitalia, and converges on the city of Rome, Italy.
Roma Trastevere railway station is a major railway station serving the city and comune of Rome, Italy. Opened in 1911, it forms part of the Pisa–Livorno–Rome, Rome–Fiumicino railways, Rome-Viterbo and