We conclude that to be even more effective, it should be extended to the all potential users, not just to local registered residents as it has been recently applied in state-run bus travels in rural municipalities in Estonia. Finally, more restrictive private car policies should be considered to fuel a sustainable mobility transition and increase cities life quality.
https://www.tandfonline.com/doi/abs/10.1080/19463138.2019.1596114?journalCode=tjue20