The Government has opened in recent days the melon of one of the most unpopular debates that exist: tolls. And the positions found have not been slow to express themselves. The financing of roads in Spain, especially with regard to their maintenance, has been a controversial topic of public debate for years, especially with regard to the rescue of radials or the management of concessions. Now, the Executive has included in the recovery plan sent to Brussels its commitment to approve a tax model for the use of these infrastructures. But, when looking at the environment, there is no single formula to approach.