# Line C (Rome Metro)

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Rapid transit line in Rome, Italy

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Line C Elevated section of Line C close to its eastern terminus Overview Owner ATAC Locale Rome, Italy Termini Monte Compatri-Pantano (east) Colosseo (west)[1] Stations 24[2] Service Type Rapid transit System Rome Metro Operator ATAC Rolling stock AnsaldoBreda Driverless Metro Daily ridership 40,999 (2023)[3] History Opened 9 November 2014; 11 years ago (2014-11-09) Last extension 2025 Technical Line length 21.2 km (13.2 mi) Character underground, at-grade and elevated Track gauge 1,435 mm (4 ft 8+1⁄2 in) Electrification Overhead lines Route map

**Line C** is a [Rome Metro](/source/Rome_Metro) line which runs from [Monte Compatri-Pantano](/source/Monte_Compatri-Pantano_(Rome_Metro)) in the eastern suburbs of [Rome](/source/Rome), in [Italy](/source/Italy), to a temporary terminus at [Colosseo](/source/Colosseo_(Rome_Metro)).[4] It is the third metro line to be built in the city and the first to be fully automated.[5]

The line has interchanges with two other Metro lines: one with [Line B](/source/Line_B_(Rome_Metro)) at Colosseo and one at [San Giovanni](/source/San_Giovanni_(Rome_Metro)) where it meets [Line A](/source/Line_A_(Rome_Metro)).[6]

The first section, between Monte Compatri-Pantano and Parco di Centocelle, opened on 9 November 2014. The second, from Parco di Centocelle to Lodi, opened on 29 June 2015.[7] The third, from Lodi to San Giovanni, opened on 12 May 2018.[6] The fourth, from San Giovanni to Colosseo, opened on 16 December 2025.[8] The line reuses parts of the old [Rome-Pantano railway](/source/Rome-Pantano_railway), a [light railway](/source/Light_rail) that is the last remaining part of the [Rome–Fiuggi–Alatri–Frosinone railway](/source/Rome%E2%80%93Fiuggi%E2%80%93Alatri%E2%80%93Frosinone_railway).

## Construction

Rome Metro: Line C Legend Mazzini Ottaviano A Piazza Pia/Castel Sant'Angelo Chiesa Nuova Venezia 3 Colosseo B Porta Metronia 3 San Giovanni A Lodi RM-Giard. Pigneto Malatesta Teano 5 19 Gardenie 5 19 Mirti RM-Giard. Parco di Centocelle Alessandrino Torre Spaccata Torre Maura Giardinetti Torrenova Torre Angela Torre Gaia Grotte Celoni Due Leoni-Fontana Candida Borghesiana Bolognetta Finocchio Graniti Monte Compatri-Pantano

[Archeological investigations](/source/Archeology) began in August 2006, before the first construction sites opened in March 2007 on Piazza Roberto Malatesta, to construct [Malatesta station](/source/Malatesta_(Rome_Metro)). The [Lodi station](/source/Lodi_(Rome_Metro)) followed one month later.[9]

In May 2008, crews constructed two [tunnel boring machines](/source/Tunnel_boring_machine) at Giardinetti, and two months later the old Rome-Pantano railway was truncated at Giardinetti to allow restructuring part of the old surface line, which forms a part of the new metro.[10] This section, from [Montecompatri-Pantano](/source/Monte_Compatri-Pantano_(Rome_Metro)) to [Parco di Centocelle](/source/Parco_di_Centocelle_(Rome_Metro)), opened in 2014.[11] The section between Parco di Centocelle to [Lodi](/source/Lodi_(Rome_Metro)) opened on 29 June 2015, one further station ([San Giovanni](/source/San_Giovanni_(Rome_Metro))) opened in May 2018.[6] The section of Line C further west is partly under construction (to [Piazza Venezia](/source/Venezia_(Rome_Metro)) with two further station in between). Project planning for further extensions crossing the city centre (from [Venezia](/source/Venezia_(Rome_Metro)) to [Clodio-Mazzini](https://en.wikipedia.org/w/index.php?title=Clodio-Mazzini_(Rome_Metro)&action=edit&redlink=1)) was suspended in 2010.[12] A shortened extension to [Ottaviano](/source/Ottaviano_%E2%80%93_San_Pietro_%E2%80%93_Musei_Vaticani_(Rome_Metro)) (thus providing a second interchange with Line A) is again under discussion.

In 2009, during preliminary excavations for the station at [Piazza Venezia](/source/Piazza_Venezia) (near the [Capitoline Hill](/source/Capitoline_Hill)) workers found remains of what has been identified as emperor [Hadrian](/source/Hadrian)'s [Athenaeum](/source/Athenaeum_(ancient_Rome)).

## Route

Line C operates on 19.5 kilometers (12.1 mi) of route (of which 8.7 kilometers (5.4 mi) is at grade),[7] and serves 22 stations. Of the entire route, about 11 kilometers (6.8 mi) are underground, while the rest is located in the open air.[13]

Initially, the planned termini were Pantano (a *frazione* of the *[comune](/source/Comune)* of [Monte Compatri](/source/Monte_Compatri)) in the east and Clodio-Mazzini in the north, but in March 2007, a northward extension along the [Via Cassia](/source/Via_Cassia) was announced, with nine more stations to [Grottarossa](https://en.wikipedia.org/w/index.php?title=Grottarossa&action=edit&redlink=1). A depot has been built at Graniti. Once construction is complete, the line will cross [Line A](/source/Line_A_(Rome_Metro)) not only at [San Giovanni](/source/San_Giovanni_(Rome_Metro)) but also at [Ottaviano](/source/Ottaviano_%E2%80%93_San_Pietro_%E2%80%93_Musei_Vaticani_(Rome_Metro)), and [Line B](/source/Line_B_(Rome_Metro)) at [Colosseo](/source/Colosseo_(Rome_Metro)). At [Pigneto](/source/Pigneto_(Rome_Metro)), a new railway station is currently being constructed on the [FL1 line](/source/FL1_(Lazio_regional_railways)). At the Colosseo stop a public museum was to be constructed in the station to display archaeological material that was excavated during construction, but the project has been scrapped due to the lack of funds.[14] Instead, a portion of the ruins of the barracks used by the Praetorian Guard will be viewable through a large glass window.[15]

The initial plan featured a station at [Largo di Torre Argentina](/source/Largo_di_Torre_Argentina) in the city center. However, archaeological remains on the site were even more extensive than expected and the station was cancelled.[16][*[better source needed](https://en.wikipedia.org/wiki/Wikipedia:Verifiability#Questionable_sources)*]

## Extensions

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The following extensions have been studied:

- Northward (towards Rome's rail ring) and the [Rome-Viterbo railway](/source/Rome-Viterbo_railway), which would be connected to the Metro line at [Tor di Quinto](/source/Tor_di_Quinto); this extension would have five stations and would allow for interchange with the [FL3](/source/FL3_(Lazio_regional_railways)) line at Vigna Clara;

- A southward extension of one station to [Tor Vergata](/source/Tor_Vergata), where a secondary depot might be built;

- A northward extension of the east branch from Teano to reach [Ponte Mammolo](/source/Ponte_Mammolo_(Rome_Metro)) allowing interchange with Line B, with five new stations. This extension would also meet [FL2](/source/FL2_(Lazio_regional_railways)) at [Togliatti](https://en.wikipedia.org/w/index.php?title=Togliatti_(Rome_Metro)&action=edit&redlink=1).

## Rolling stock

Line C uses 30 [AnsaldoBreda Driverless Metro](/source/AnsaldoBreda_Driverless_Metro) trains.

The metro depot of Line C, the *Deposito di Graniti*, which extends over 21.7 [hectares](/source/Hectare), is located between the station [Graniti](/source/Graniti_(Rome_Metro)) and the Eastern terminus [Monte Compatri-Pantano](/source/Monte_Compatri-Pantano_(Rome_Metro)). It additionally serves as the maintenance and control center of Line C.[17]

## Statistics

Year 2014[18] 2015[19] 2016[20] 2017[21] 2018[20] 2019[20] 2020[20] 2021[20] 2022[22] 2023[3] Passengers (millions) 0.50 7.64 13.30 12.26 16.20 18.72 10.26 11.70 13.55 14.96

## References

1. **[^](#cite_ref-1)** ["12 maggio, ore 12.00: apre la stazione Metro C "S. Giovanni""](https://romamobilita.it/it/progetti/trasporto-pubblico/2018/12maggio-apre-metroC-sangiovanni) (in Italian). romamobilita.it. Retrieved 2018-05-11.

1. **[^](#cite_ref-2)** ["Apre la stazione San Giovanni: da lunedì modifiche alle linee bus"](https://www.romatoday.it/cronaca/bus-roma-modifiche-apertura-san-giovanni-metro-c.html) (in Italian). romatoday.it. Retrieved 2018-05-11.

1. ^ [***a***](#cite_ref-2023_report_3-0) [***b***](#cite_ref-2023_report_3-1) ["Il trasporto pubblico locale a Roma. Anno 2024"](https://www.comune.roma.it/web-resources/cms/documents/Annuario_2024.pdf) (PDF) (in Italian). Retrieved 10 August 2025.

1. **[^](#cite_ref-reuters-new-metro_4-0)** Balmer, Crispian. ["New Rome metro stations showcase ancient treasures after years of delays"](https://www.reuters.com/lifestyle/new-rome-metro-stations-showcase-ancient-treasures-after-years-delays-2025-12-16/). *Reuters*. Reuters. Retrieved 16 December 2025.

1. **[^](#cite_ref-5)** ["A driverless line"](https://web.archive.org/web/20251220194533/https://metrocspa.it/en/a-driverless-line/). Metro C Scpa. Archived from [the original](https://metrocspa.it/en/a-driverless-line/) on 2025-12-20. Retrieved 2025-12-20.

1. ^ [***a***](#cite_ref-andfinally_6-0) [***b***](#cite_ref-andfinally_6-1) [***c***](#cite_ref-andfinally_6-2) Biondino, Alessio (13 May 2018). ["Raggi inaugura la stazione Metro C San Giovanni: "Giornata storica""](https://www.romait.it/articoli/25526/raggi-inaugura-la-stazione-metro-c-san-giovanni-giornata-storica) (in Italian). Romait. Retrieved 24 May 2018.

1. ^ [***a***](#cite_ref-LineC-Jun2015_7-0) [***b***](#cite_ref-LineC-Jun2015_7-1) Chiandoni, Marco (30 June 2015). ["Rome metro Line C reaches Lodi"](http://www.railjournal.com/index.php/metros/rome-metro-line-c-reaches-lodi.html). *[International Railway Journal](/source/International_Railway_Journal)*. Retrieved 2015-06-30.

1. **[^](#cite_ref-8)** ["Metro C: aperte le stazioni Colosseo e Porta Metronia"](https://www.comune.roma.it/web/it/notizia/metro-c-aperte-stazioni-colosseo-e-porta-metronia.page) (in Italian). 2025-12-16. Retrieved 2025-12-20.

1. **[^](#cite_ref-9)** ["Notiziario"](https://web.archive.org/web/20071013134154/http://www.romametropolitane.it/Notiziario%20Cantieri/master%20Linea%20C.pdf) [News Bulletin] (PDF) (in Italian). Roma Metropolitane. 1 October 2007. Archived from [the original](http://www.romametropolitane.it/Notiziario%20Cantieri/master%20Linea%20C.pdf) (PDF) on 2007-10-13. Retrieved 2008-07-26.

1. **[^](#cite_ref-10)** ["Diario del Cantiere"](https://web.archive.org/web/20080804091226/http://www.metrocspa.it/diario_del_cantiere.asp) [Construction Site Diary] (in Italian). Roma Metropolitane. Archived from [the original](http://www.metrocspa.it/diario_del_cantiere.asp) on 2008-08-04. Retrieved 1 December 2017.

1. **[^](#cite_ref-11)** ["Linea C: I Dettagli Dell'Accordo. Date, Penali e Prolungamento"](http://www.metroxroma.it/2013/09/linea-c-i-dettagli-dellaccordo-date-penali-prolungamenti/) [Line C: Details of the Agreement, Dates, Penalties and Extension] (in Italian). Metroxroma. September 10, 2013.

1. **[^](#cite_ref-12)** ["Future Developments"](http://metrocspa.it/en/the-work/future-developments/) (PDF) (in Italian). Metro C Spa. 22 April 2015. Retrieved 1 December 2017.

1. **[^](#cite_ref-13)** ["I numeri della metro"](http://www.romametropolitane.it/articolo.asp?CodMenu=1&CodArt=22) [The Numbers of the Metro] (in Italian). Metropolitana di Roma. Retrieved 1 December 2017.

1. **[^](#cite_ref-14)** ["Metro C, niente museo alla stazione Colosseo"](http://ricerca.repubblica.it/repubblica/archivio/repubblica/2011/05/18/metro-niente-museo-alla-stazione-colosseo.rm_017.html) [Metro C: No museum at the Colosseum Station]. *[la Repubblica](/source/La_Repubblica)* (in Italian). Retrieved 5 March 2017.

1. **[^](#cite_ref-lorenzi_15-0)** Lorenzi, Rosella (Jun–Aug 2017). ["While you are waiting"](http://web.b.ebscohost.com/ehost/pdfviewer/pdfviewer?vid=100&sid=ed946c5a-47a5-445f-b6da-e95cfe0d5c1c%40sessionmgr103). *Archaeology*. **70** (4): 12. [ISSN](/source/ISSN_(identifier)) [0003-8113](https://search.worldcat.org/issn/0003-8113). Retrieved 2 July 2017.

1. **[^](#cite_ref-16)** ["La Linea C"](https://web.archive.org/web/20160308002915/http://www.metrocspa.it/il-percorso.asp) (in Italian). Metro C scpa. Archived from [the original](http://www.metrocspa.it/il-percorso.asp) on 8 March 2016.

1. **[^](#cite_ref-Graniti_17-0)** ["Il Deposito di Graniti"](https://web.archive.org/web/20141102125429/http://www.metrocspa.it/pdf/DEPOSITO%20DI%20GRANITI%20E%20DIRIGENZA%20CENTRALE%20OPERATIVA.pdf) [The Granite Deposits] (PDF). *Metrocspa.it* (in Italian). Archived from [the original](http://www.metrocspa.it/pdf/DEPOSITO%20DI%20GRANITI%20E%20DIRIGENZA%20CENTRALE%20OPERATIVA.pdf) (PDF) on 2014-11-02. Retrieved 22 April 2015.

1. **[^](#cite_ref-18)** ["IL TRASPORTO PUBBLICO LOCALE A ROMA. Anno 2015"](https://documen.site/download/il-trasporto-pubblico-locale-a-roma_pdf). Retrieved 10 August 2025.

1. **[^](#cite_ref-19)** ["IL TRASPORTO PUBBLICO LOCALE A ROMA. Anno 2016"](https://www.comune.roma.it/web-resources/cms/documents/Trasporto_2016.pdf) (PDF). Retrieved 10 August 2025.

1. ^ [***a***](#cite_ref-C9_20-0) [***b***](#cite_ref-C9_20-1) [***c***](#cite_ref-C9_20-2) [***d***](#cite_ref-C9_20-3) [***e***](#cite_ref-C9_20-4) ["Cap.9 Mobilità e trasporti"](https://www.comune.roma.it/web-resources/cms/documents/09_Mobilita_Annuario_2024.pdf) (PDF). Retrieved 10 August 2025.

1. **[^](#cite_ref-21)** ["Il trasporto pubblico locale a Roma. Anno 2018"](https://www.comune.roma.it/web-resources/cms/documents/TPL_Roma_2018_rev.pdf) (PDF) (in Italian). Retrieved 10 August 2025.

1. **[^](#cite_ref-22)** ["Il trasporto pubblico locale a Roma. Anno 2023"](https://www.comune.roma.it/web-resources/cms/documents/09_Mobilita_Annuario2023_ultimo.pdf) (PDF) (in Italian). Retrieved 10 August 2025.

## External links

Wikimedia Commons has media related to [Line C (Rome metro)](https://commons.wikimedia.org/wiki/Category:Line_C_(Rome_metro)).

- [Official website](http://www.romametropolitane.it/menu.asp?CodMenu%3D1)

- [Metro C Spa](http://www.metrocspa.it/) – the [general contractor](/source/General_contractor) building the new line

v t e Rome Metro Line A Battistini Cornelia Baldo degli Ubaldi Valle Aurelia Cipro Ottaviano Lepanto Flaminio Spagna Barberini Repubblica Termini Vittorio Emanuele Manzoni San Giovanni Re di Roma Ponte Lungo Furio Camillo Colli Albani Arco di Travertino Porta Furba - Quadraro Numidio Quadrato Lucio Sestio Giulio Agricola Subaugusta Cinecittà Anagnina Line B Laurentina EUR Fermi EUR Palasport EUR Magliana Marconi Basilica San Paolo Garbatella Piramide Circo Massimo Colosseo Cavour Termini Castro Pretorio Policlinico Bologna Tiburtina Quintiliani Monti Tiburtini Pietralata Santa Maria del Soccorso Ponte Mammolo Rebibbia Line B1 Bologna Sant'Agnese - Annibaliano Libia Conca d'Oro Jonio Line C Colosseo Porta Metronia San Giovanni Lodi Pigneto Malatesta Teano Gardenie Mirti Parco di Centocelle Alessandrino Torre Spaccata Torre Maura Giardinetti Torrenova Torre Angela Torre Gaia Grotte Celoni Due Leoni-Fontana Candida Borghesiana Bolognetta Finocchio Graniti Montecompatri-Pantano

v t e Urban transport in Rome Rome Metro FL lines Local railways Rome–Giardinetti Rome–Lido Rome–Civita Castellana–Viterbo Urban surface systems Tramway Trolleybuses Ticketing systems Metrebus

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Adapted from the Wikipedia article [Line C (Rome Metro)](https://en.wikipedia.org/wiki/Line_C_(Rome_Metro)) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Line_C_(Rome_Metro)?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.