The Green Line (Portuguese: Linha Verde) or Caravel Line (Portuguese: Linha da Caravela) is one of the four lines of Lisbon Metro.

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Green Line
Lisbon metro station Telheiras
Overview
Other name(s)	Caravel Line
Native name	Linha Verde
Owner	Government-owned corporation
Locale	Lisbon,  Portugal
Termini	Telheiras Cais do Sodré
Connecting lines
Stations	13
Service
Type	Rapid Transit
System	Metropolitano de Lisboa
Operator(s)	Metropolitano de Lisboa, EPE
Rolling stock	ML97, ML99
History
Opened	January 27, 1963 (61 years ago) (1963-01-27) (infrastructure opened) April 25, 1998 (25 years ago) (1998-04-25) (as the green line)
Technical
Line length	9 km (5.6 mi)
Character	Underground subway
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	750 V DC third rail
Route map Legend Telheiras Yellow Line → Cid. Universitária × Seg. Circ. access × Av. P. Cruz × Av. P. Cruz × bus station access × bus station access Campo Grande ⇄ Yellow Line × R. Cipr. Dourado branch line → PMO II Yellow Line → Qta Conchas × Al. Linh. Torres ∥ R. Ag. Neto × branch line × branch line → PMO II Calvanas (canc. proj., 1980–1984) Alvalade L. Cintura: Av. Roma (canc. proj., 1947) Roma Madrid (proj.) ⇄ L. Cintura: Roma-Areeiro Areeiro branch line → Red Line Red Line → Olaias Alameda ⇄ Red Line × Red Line Red Line → Saldanha Arroios Anjos Intendente Martim Moniz (until 1995 Socorro) Rossio Blue Line → Restauradores 12th line (closed 1998) × Blue Line Baixa-Chiado ⇄ Blue Line Elev. Município ventilation shaft branch line → Blue Line × Tram (R. V. Cordón) × Tram (R. Arsenal) Blue Line → T. Paço Cais do Sodré ⇄ L. Casc.: C. S.; TT∥ Tagus ⇄ Yellow Line (proj.) Yellow Line → Santos (proj.) Topographic map

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Telheiras
Campo Grande
Alvalade
Roma

Areeiro
Alameda
Arroios
Anjos
Intendente
Martim Moniz
Rossio
Baixa-Chiado
Cais do Sodré

• December 29, 1959: Opening of the original Lisbon Metro network with a Y shape. Common branch stations: Restauradores, Avenida, Rotunda (former name of the Marquês de Pombal station and where the line would split into the two branches). Current Blue Line branch stations (coming from Rotunda station): Parque, São Sebastião, Palhavã (former name of the Praça de Espanha station) and Sete Rios (former name of the Jardim Zoológico station). Current Yellow Line branch stations (coming from Rotunda station): Picoas, Saldanha, Campo Pequeno and Entre Campos.
• January 27, 1963: Opening of the Rossio station. Main branch route: Restauradores - Rossio.
• September 28, 1966: Opening of the Socorro (former name of the Martim Moniz station), Intendente and Anjos stations. Main branch route: Restauradores - Anjos.
• June 18, 1972: Opening of the Arroios, Alameda, Areeiro, Roma and Alvalade stations. Main branch route: Restauradores - Alvalade.
• October 15, 1988: Opening of the Cidade Universitária, Laranjeiras, Alto dos Moinhos and Colégio Militar/Luz stations. Current Blue Line branch route: Rotunda - Colégio Militar/Luz. Current Yellow Line branch route: Rotunda - Cidade Universitária.
• April 3, 1993: Opening of the Campo Grande station. Main branch route: Restauradores - Campo Grande. Current Yellow Line branch route: Rotunda - Campo Grande.
• July 15, 1995: Creation of the Blue and Yellow lines by building a second Rotunda station. New Blue line route: Colégio Militar/Luz - Campo Grande.
• October 18, 1997: Opening of the Carnide and Pontinha stations. Line route: Pontinha - Campo Grande.
• March 1, 1998: Palhavã station is renamed to Marquês de Pombal, Sete Rios station is renamed to Jardim Zoológico and Socorro station is renamed to Martim Moniz.
• March 3, 1998: Creation of the Blue and Green line by closing the Restauradores - Rossio tunnel. New Green line route: Rossio - Campo Grande.
• April 18, 1998: Opening of the Baixa-Chiado and Cais do Sodré stations. Line route: Cais do Sodré - Campo Grande.
• November 2, 2002: Opening of the Telheiras station. Line route: Cais do Sodré - Telheiras.^[2]

• Construction has started to add two new stations (Santos and Estrela), connecting the Green Line at Cais do Sodré to the Yellow Line at Rato and creating a circle line with the merger of the Green Line between Cais do Sódre and Campo Grande and the Yellow Line between Rato and Campo Grande.^[3]

• List of Lisbon metro stations