For those interested here is an update from the Luxtram, one of the most modern in europe:
Aiming for 120,000 daily passengers by 2025: Luxtram director provides updates on tram expansion
After six years of transformative impact on Luxembourg's urban mobility, Luxtram is poised to further expand its tram network to connect key locations across the country and introduce a high-speed tram by 2025 says Luxtram director André Von der Marck.
today.rtl.lu