| Roma Termini– Frascati/Albano Laziale/Velletri | |||
|---|---|---|---|
&sq=&lang=&file=File:Ferrovia_regionale_laziale_FL4.svg){kind=small} | |||
&sq=&lang=&file=File:JazzRomaTibu.jpg) FL4 Jazz towards Velletri, arriving in Roma Tiburtina | |||
| Overview | |||
| Status | Operational | ||
| Line number | FL4 | ||
| Locale | Rome, Italy | ||
| Termini | |||
| Website | trenitalia.com | ||
| Service | |||
| Type | Regional rail | ||
| System | Lazio regional railways | ||
| Operator(s) | Trenitalia | ||
| Rolling stock | E.464, Jazz | ||
| Daily ridership | 55,000 | ||
| History | |||
| Opened | 1994 | ||
| Technical | |||
| Line length | 24 km (15 mi) / 29 km (18 mi) / 41 km (25 mi) | ||
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) | ||
| Electrification | 3,000 V DC | ||
| Operating speed | 44 km/h (27 mph) (ave) / 39 km/h (24 mph) (ave) / 48 km/h (30 mph) (ave) | ||
| |||
&sq=&lang=&file=File:Roma_-_mappa_linee_FL.svg)
The FL4 (until 2012 FR4) is a regional rail route. It forms part of the network of the Lazio regional railways (Italian: ferrovie regionali del Lazio), which is operated by Trenitalia, and converges on the city of Rome, Italy.[1]
The route operates over the infrastructure of the Rome–Cassino–Naples, Rome–Albano, Rome–Frascati and Rome–Velletri railways. Within the territory of the comune of Rome, it plays the role of a commuter railway.[2] It is estimated that on average about 55,000 passengers travel on an FL4 train each day.
The designation FL4 appears only in publicity material (e.g. public transport maps), in the official timetables, and on signs at some stations. The electronic destination boards at stations on the FL4 route show only the designation "R" and the relevant train number.[2]