The Swiss Federal Office of Transport has approved the plans for the adaptation of the railway line between Basel St. Johann and Basel SBB with the aim of enabling freight trains that transport semi-trailers with a corner height of four metres in transit from France to reach the base tunnels Gotthard and Lötschberg Alptransits, laying the foundations for the extension of the section to the left of the Reno thanks to which an additional access line will be obtained to the new transalpine railway Alptransit. For the realization of the An investment of CHF 114 million is planned (€122 million).

The first phase of the preliminary work, already approved, is while the second phase will start next month, with the main works to be started in April 2026 and will be it is expected to end at the end of 2029.

To enable freight trains with loads to pass through in the future on the left of the Rhine towards the system Alptransit profile adjustments are also necessary on the slope French and, to this end, last February Federal Councillor Environment, Transport, Energy and Communications, Albert Rösti, and the French Minister of Transport, Philippe Tabarot, have signed a specific declaration of intent and currently Work is underway to draw up the necessary draft expansion.