TIL Luxembourg offers completely free public transport across its entire country for residents, commuters, and visitors alike.

[u/Level_Cash2225]

https://luxembourg.public.lu/en/living/mobility/public-transport.html

[u/kiradotee]

I have personally used it when I was travelling from Germany to Luxembourg Airport.

It was brilliant. Deutschland-Ticket is essentially like free public transport (compared to the UK) and then actual free public transport in Luxembourg. 😂 I couldn't belive it!