In Luxembourg the public transport will be free from 16 to 22 September, the Ministry of Mobility announced earlier this Tuesday.
You can travel on a bus, train, or tram without spending money for the entire week. This decision came in the context of the European Mobility Week, it is a campaign to promote sustainable mobility to urban residents in particular.
From March 2020, Luxembourg will not be charged for trips on its trains, trams and buses. https://buff.ly/2H1V4ao
I am your contact