One reason to put tolls on roads is to make the people who use the infrastructure also the people who pay for it's maintenance and improvements. Public goods ar

One reason to put tolls on roads is to make the people who use the infrastructure also the people who pay for it's maintenance and improvements. Public goods are provided by public money, and in some cases it might be fairer to get some/most/all of that public money from the portion of the public that are using the thing. Also as a disincentive to use something. Like we want people to drive less in the urban core to reduce congestion and also the air pollution that's killing thousands of people every year. So we're going to put a charge on using those roads.