Tallinn

October 31, 2016, 7am PDT
How making public transportation cost-free has—and hasn't—benefited Estonia's capital city.
The Guardian
February 19, 2013, 2pm PST
In January of this year, Tallinn (pop. 423,000) became the first European capital and the largest European city to provide public transit free of charge to its residents. So far, the experiment has proven a success.
Euro Cities