Basque Y

railway

Distance

175 km
new
175km
rehabilitated
– km
existing
– km

Cost

$7.9b
$7,866,000,000

underConstruction

2028

Objective

To establish a modern, high-capacity mixed passenger and freight connection that integrates the Basque region with the rest of Spain and the French border. It replaces obsolete, slow narrow-gauge lines to drastically cut regional travel times and unlock seamless Iberian rail freight corridors.

Description

A 175-kilometer high-speed "Y"-shaped rail network connecting the three Basque capitals (Bilbao, San Sebastián, and Vitoria-Gasteiz), featuring 80 kilometers of tunnels, 25 kilometers of viaducts, and standard European track gauge

History

The Plan de Infraestructuras 2000-2007 formalised this high-speed triangle linking Bilbao, San Sebastián, and Vitoria-Gasteiz. Construction was delayed by years of intense funding disputes between the Spanish central government and the autonomous Basque government, alongside security disruptions from the separatist group ETA, before structural works safely advanced in 2006.

Finance

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$288.2m investment
Connecting Europe Facility (CEF)/EU
Government
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$3.2b loan
European Investment Bank
Development bank
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$5.6b investment
Spanish Government
Government
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$1.1b investment
Basque Government (Eusko Jaurlaritza)
Government

Operators

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Renfe
Company

Contractors

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Comsa
Company
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Sacyr
Company
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Ferrovial
Company
Acciona
Company
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