Blue Line (Lisbon Metro)

The Blue Line (Portuguese: Linha Azul) or Seagull Line (Portuguese: Linha da Gaivota) is one of the four lines of Lisbon Metro. It is the only line of the Lisbon Metro that is entirely underground.

Blue Line
Lisbon metro station Restauradores
Overview
Other name(s)	Seagull Line
Native name	Linha Azul
Owner	Government-owned corporation
Locale	Lisbon Amadora  Portugal
Termini	Reboleira Santa Apolónia
Connecting lines
Stations	18
Service
Type	Rapid Transit
System	Metropolitano de Lisboa
Operator(s)	Metropolitano de Lisboa, EPE
Rolling stock	ML90, ML95, ML97, ML99
History
Opened	29 December 1959 (1959-12-29) (original network) 15 July 1995 (1995-07-15) (independent line)
Technical
Line length	14 km (8.7 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 13,724 Reboleira ⇄ L. Sintra: Reboleira × Sorefame 12,765 Amadora Este Alfornelos ⇡ 0AMD0  ⇣ 0ODV0  ⇡ 0ODV0  ⇣ 0LSB0  branch line→ PMO III 10,747 Pontinha PMO III Pontinha 09,927 Carnide 09,146 Colégio Militar/Luz Alto dos Moinhos Laranjeiras PMO I Sete Rios(closed) ⇄ L. Cintura: Sete Rios 06,591 Jardim Zoológico(until 1995 Sete Rios) × L. Cintura Praça de Espanha(until 1995 Palhavã) branch line→ PMO I (closed) Red Line→ Campolide × Red Line branch line→ Red Line São Sebastião⇄ Red Line Red Line→ Saldanha Parque Yellow Line→ Picoas ➀ branch line → Yellow Line ➁ "Y" line → Picoas (until 1995) × Yellow Line 03,791 Marquês de Pombal(until 1995 Rotunda) ⇄ Yellow Line Yellow Line→ Rato Avenida 02,691 Restauradores⇄ L. Sintra: Rossio Green Line→ Rossio 12th branch(closed 1998) × Green Line 02,025 Baixa-Chiado⇄ Green Line Elev. Município ventilation shaft branch line→ '''Blue Line''' × Tram (R. V. Cordón) × Tram (R. Arsenal) Green Line→ Cais do Sodré ventilation shaft × Tagus Terreiro do Paço Alfândega(pj. 1993; canc.) 00,000 Santa Apolónia⇄ L. Norte: Santa Apolónia  Topographic map