The controversy follows suggestions by the Minister of Transport, Óscar Puente, to raise the railway height in certain sections. Local authorities, including Rafa Navarro from Premià de Mar, have voiced strong opposition, citing the success of sand replenishment and breakwaters in his municipality as the model to follow.

While some experts suggest moving the line inland, most local councils believe the current coastal route is vital for tourism and daily commuting. The debate remains open as the Generalitat is urged to form a working group to address the long-term viability of the infrastructure.