Adif Tests Innovative Freight Wagon Gauge-Changing System
19.03.2025
Adif, Spain’s railway operator, tests a new gauge-changing system at Irun station near France. Trials begin soon in Gipuzkoa province. This is reported by the railway transport news portal Railway Supply.

This system equips freight wagons with adjustable wheelsets, boosting transport capacity and cutting costs and travel time. Adif invests $2.48 million in rails, sleepers, and drainage upgrades.
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Engineers design adjustable wheelsets using patented technology from a state-funded R&D program. The setup shifts wagons between tracks seamlessly, eliminating unloading and reloading delays.
Currently, experts certify prototypes of axles for 920 mm and 760 mm wheel diameters. Additionally, they approve the ground-based gauge-changing installation for operational use.
Adif Advances Testing at Cordoba Facility
The company constructs two advanced modular gauge-changing units at its Cordoba testing center. These units support technology trials, refining the system for broader use.
Meanwhile, the operator conducts ongoing tests at gauge-changing points across its network. The company evaluates lines like Cordoba to Malaga and Cordoba-Antequera-Granada.
The trials aim to optimize freight transport efficiency and reduce operational bottlenecks significantly. Successful implementation could transform cross-border logistics and strengthen Spain’s railway competitiveness.
Adif Drives Rail Innovation Forward
Industry partners collaborate to ensure the system meets safety and performance standards reliably. This initiative aligns with Spain’s goals to modernize infrastructure and promote sustainability.
Freight operators anticipate faster delivery times and lower expenses with this technology. Thus, these efforts could reshape the European freight market and enhance economic ties.
Testing at Irun station marks a critical step toward full deployment across Spain’s railways. Moreover, it showcases a commitment to innovation and leadership in rail advancements.
The Cordoba facility accelerates development, providing data to refine the gauge-changing process. Consequently, the operator expects to roll out the system network-wide soon.
This project highlights Spain’s proactive approach to tackling logistical challenges in rail transport. Ultimately, it positions the company as a key player in revolutionizing freight globally.
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