By Wojciech Kębłowski
"Perhaps the most renowned historic case of fare abolition is that of Hasselt, in Belgium. Faced with the problem of high traffic congestion, its mayor declared in 1996 that “we don’t need new roads, we need new ideas.” Hasselt dropped plans for constructing a new ring road and instead eliminated fares and reformed the network of collective transport, giving it clear priority."
https://www.jacobinmag.com/2018/08/public-transportation-brussels-free-tickets