The Spanish competition authority, known as CNMC, has reported that approximately 10% of individuals utilized free commuter train passes provided by Renfe, the national railway operator. This initiative aimed to encourage public transport usage and reduce congestion on roads.

Renfe's strategy to offer free passes is part of a broader effort to enhance the attractiveness of train travel, especially in urban areas where traffic congestion is a significant issue. The CNMC's findings suggest that such promotional offers can effectively increase ridership and promote sustainable transport options.

However, the CNMC also emphasizes the importance of ensuring that these promotional strategies do not lead to anti-competitive practices or unfair advantages in the market. The authority is committed to monitoring the situation to maintain a level playing field among transport providers.