6.3 km metro extension from Basauri to Usansolo Hospital, serving 200,000 residents with 7.5-minute frequencies. A major engineering challenge includes tunnelling deep beneath the Ibaizabal river. ACS Group · Acciona · News
Bilbao Metro Line 5 (Sarratu–Galdakao) is a metro project in Spain, currently under construction.
Greenfield new corridor: new metro extension on new underground alignment.
Construction began in 2024, with completion expected in 2029.
The project has an estimated investment of €360M.