Santander Railway Integration: Adif’s EUR400M Rail Upgrade Plan

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Introduction

Adif is set to launch a EUR 41.5 million tender for the initial phase of the Santander railway integration project, focusing on the redirection of Iberian gauge tracks and the construction of a temporary station. This development is part of a larger plan to transform the rail complex and surrounding urban areas in Cantabria’s capital.

Project Overview

The initial phase of the Santander railway integration project involves the redirection of Iberian gauge tracks and the construction of a temporary station facility. This initial phase, valued at EUR 41.5 million, is crucial for future infrastructure improvements and is fully funded by the Ministry of Transport and Sustainable Mobility.

Infrastructure Development

The project includes the construction of a new administrative building for railway operations to create space for broader redevelopment. A provisional corridor will be established to maintain active rail service during the works. Furthermore, Adif is working on the design of two additional components: the modernisation and extension of the main passenger building and a spatial reorganisation plan for the broader station area. The first is state-funded, while the latter is a joint effort between Adif, the regional government, and the local council. Both initiatives are expected to enter the tendering phase in 2026.

Financial and Operational Aspects

The total investment for the Santander railway integration project is estimated at close to EUR 400 million. Approximately EUR 255 million will be allocated for infrastructure improvements and urban redevelopment. The station yard currently accommodates both Iberian and metre-gauge rail systems, which will be restructured to streamline operations. This restructuring includes moving metre-gauge tracks, reconfiguring the Iberian-gauge layout, and combining services within a temporary, centralised terminal.

Urban and Site Enhancements

The project includes rebuilding the site’s car park and freeing over 36,000 square metres of land adjacent to Calle Castilla for new urban development. A platform structure of nearly 48,500 square metres will be constructed above the realigned tracks, creating additional public space. A separate EUR 70 million tender was issued in mid-2025 for the station’s track reorganisation and a new railway office facility. These works are fully funded and are scheduled to begin in 2026 and are expected to be completed in 2029.

Conclusion

The Santander railway integration project aims to modernise the station, improve rail operations, and integrate the railway more closely with the city. The project, with a total investment of nearly EUR 400 million, involves track reconfiguration, urban development, and the creation of new public spaces.

Company Summary

Adif: The national infrastructure operator.

Renfe: A railway company.

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