Metro Bilbao S.A.
Public railway operator responsible for Lines 1 and 2 of the Bilbao Metro rapid-transit network.
Last updated August 22, 2026
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Overview
Metro Bilbao S.A. is the public company that operates the principal rapid-transit services of the Bilbao Metro in Biscay, in the Basque Country of Spain. Its services form part of the wider metropolitan transport system serving Bilbao and the municipalities around the Ibaizabal–Nervion estuary. The company operates Lines 1 and 2, while Line 3 is operated by Euskotren as part of the Euskotren Trena network. This distinction is important: the name Metro Bilbao is used broadly for the metropolitan metro system, but the operating company does not run every line marketed as part of that system. The company was established on 18 February 1993 with the Biscay Transport Consortium as its sole shareholder. The consortium itself depends on the Basque Government and the Provincial Council of Biscay. Metro Bilbao was created as a separate operating entity during the reorganization of the region’s narrow-gauge railway system. Its network partly developed from the former Euskotren Bilbao–Plentzia suburban railway, whose history reaches back to the nineteenth century. Separating metro operations from the railway infrastructure-owning bodies allowed the new rapid-transit system to be developed and managed as a dedicated metropolitan service. The first Metro Bilbao service opened on 11 November 1995, when Line 1 began operating between Zazpikaleak/Casco Viejo and Plentzia. Much of the former Bilbao–Plentzia railway was upgraded or integrated into the new system, while new underground infrastructure was constructed through central Bilbao. A second route, Line 2, opened in stages from 2002 and created the network’s characteristic Y-shaped arrangement. It shares tracks with Line 1 through central Bilbao before serving the southern and western side of the estuary toward Etxebarri, Basauri, Sestao, Portugalete, Santurtzi and Kabiezes. As described for the 2021 network, the metro system had approximately 51 kilometres of route and 48 stations. Lines 1 and 2 use metre gauge and meet Line 3 at Zazpikaleak/Casco Viejo. The system also connects with Euskotren commuter rail, Renfe services, the Bilbao tram, Feve services, Bilbobus, Bizkaibus and Bilbao Intermodal. These interchanges make Metro Bilbao a central component of the region’s integrated public-transport network rather than an isolated urban railway. The company’s identity is closely associated with the architecture of its stations. The design was awarded in 1988 to Foster Associates, led by Norman Foster, following an open competition. The resulting stations are known for extensive use of concrete, glass, steel and broad arched entrances, often referred to as fosteritos. Metro Bilbao’s role therefore combines rail operations, station management and customer-facing metropolitan mobility, with its public-service position shaped by regional transport policy and public ownership.
History
Bilbao’s first metro proposal dates from the 1920s, when planners considered two routes linking Atxuri with the expanding western parts of the city. The project lost its proposed financial backing in 1925 and was eventually abandoned after the Spanish Civil War. Transport pressures returned to the forefront during the postwar growth of Greater Bilbao. In 1971, the Biscay Government, Bilbao City Council and the local commerce authorities formed a commission to study metropolitan transport needs. The Spanish Government indicated financial support for a metro project in 1974. The Biscay Transport Consortium was created in 1976. Several metro proposals followed in 1977, including one broadly resembling the eventual network, but institutional disagreements and objections delayed implementation. A regional transport plan was approved in 1983 and rewritten in 1985. In 1987, the construction and financing plan was approved, allowing the project to move toward implementation. Metro Bilbao S.A. was incorporated on 18 February 1993 with the Biscay Transport Consortium as its sole shareholder. The company’s creation reflected the legal and administrative framework established for Biscay transport and the Basque Country’s historical territories. Metro infrastructure ownership was divided between the Biscay Transport Consortium and Euskal Trenbide Sarea, while the new company was established to operate the metro services. The arrangement followed the earlier management of the underlying narrow-gauge railway by Basque Railways, later known as Euskotren. The choice to create a separate operator was politically and institutionally debated because the former Bilbao–Plentzia route had been one of Euskotren’s busiest assets. Station design was awarded in 1988 to Foster Associates after an international competition. Construction began in late 1988. The first phase required both the conversion of existing railway infrastructure and the construction of new tunnels, including the central connection between San Ignazio and Casco Viejo. Works in Deusto and San Inazio used cut-and-cover methods and generated noise, traffic disruption and some building damage; central construction also affected Plaza Elíptica for several years. Line 1 opened on 11 November 1995 with 23 stations between Casco Viejo and Plentzia. Further stations were added during the following years, including Gobela and the three stations between Casco Viejo and Bolueta that completed the initial urban expansion. The system’s second line began service on 13 April 2002 with five stations. Line 2 was progressively extended toward Etxebarri, Basauri and the estuary-side municipalities, reaching Sestao and Etxebarri in 2005, Portugalete and Abatxolo in 2007, Peñota and Santurtzi in 2009, Ariz and Basauri in 2011, and Kabiezes in 2014. Later infrastructure work removed remaining level crossings on the former Bilbao–Plentzia alignment. The Maidagan crossing was placed underground between 2010 and 2012, and work at Urduliz between 2015 and 2017 included a new underground station. Ibarbengoa, constructed alongside the Maidagan project, eventually opened in 2020 after its park-and-ride facilities were completed. Line 3 opened in 2017 but is operated by Euskotren rather than Metro Bilbao S.A. It links Etxebarri and several eastern Bilbao neighbourhoods with Casco Viejo and Matiko and operates in conjunction with Euskotren’s commuter railway. Consequently, Metro Bilbao today represents both a corporate operator of Lines 1 and 2 and, in common usage, the wider three-line metropolitan metro system.
- 2020
Ibarbengoa opens
[1]Ibarbengoa station enters passenger service after completion of associated park-and-ride facilities.
- 2017
Line 3 opens
[1]The third metro route opens on 8 April, operated by Euskotren and integrated with its commuter railway network.
- 2014
Kabiezes extension opens
[1]Line 2 reaches Kabiezes, completing the extension toward the western end of the estuary-side corridor described in the source material.
- 2002
Line 2 begins operation
[1]The first five Line 2 stations open on 13 April.
- 1995
Line 1 opens
[1]Passenger operations begin on 11 November between Zazpikaleak/Casco Viejo and Plentzia.
- 1993
Metro Bilbao S.A. is established
[1]The company is incorporated on 18 February 1993 with the Biscay Transport Consortium as its sole shareholder.
Products and positioning
Publicly owned metropolitan rapid-transit operator focused on reliable, integrated rail mobility across Greater Bilbao.
Urban rapid-transit rail · 1995
Lines 1 and 2
Metro Bilbao’s core operating product is passenger service on Lines 1 and 2. The lines share tracks through central Bilbao and branch toward Plentzia, Etxebarri, Basauri, Santurtzi and Kabiezes. Together they provide frequent metropolitan rail access across both sides of the Ibaizabal–Nervion estuary and connect with other regional transport modes.
Public transport infrastructure · 1995
Station and interchange services
The company manages customer-facing station services within its operating network. Key interchange locations include Zazpikaleak/Casco Viejo, Abando and San Mamés, where passengers can connect with Euskotren, Renfe, Feve, the Bilbao tram, municipal and regional buses, and the central bus station.
Brand decisions
1988
Station architecture awarded to Foster AssociatesOtherBackground
The developing metro required a coherent architectural identity for its new underground stations and entrances.
Action taken
Following an open competition, the station design commission was awarded to Foster Associates, led by Norman Foster.
Aftermath
The resulting station architecture became one of the most recognizable visual features associated with the Bilbao Metro system.
Sources2 sources
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