In Poland, 66 municipalities committed to promoting fare-free public transit

A policy instrument promoting a free fare public transport policy (FFPT) has recently been put into practice in 66 municipalities across Poland.

https://www.researchgate.net/publication/338357357_Riding_without_a_ticket_geography_of_free_fare_public_transport_policy_in_Poland

A third, and probably the most practical approach is found among the individual tools of urban planning and transportation strategies, whose aim is to make the transportation system more efficient by changing the current condition in a given area and set ting a new path for their development. From restrictive measures such as zero emission zones, tolls and parking charges, through designating pedestrian/bike zones and separate lines for public transport, to incentive measures such park & ride systems, an integrated public transport system or abolishing fares.