From 1st March 2020 all public transport in Luxembourg is free of charge (2nd class in trains, all busses and the tram).
The Atelier takes place at Campus Belval, which is situated in the south of the country next to the city Esch-sur-Alzette. The campus has its own train station Belval-Université and is served by frequent train services from the central train station in Luxembourg-City.
There is a single hotel on Campus: Hotel Ibis Esch Belval.
In Esch-sur-Alzette (4 min by train), there are several hotels such as the Hotel Acacia: Hotel Acacia
The cheapest rooms close by are available in the Youth Hostel Esch-sur-Alzette directly at the train station of Esch-sur-Alzette.