Luas (Irish pronunciation: ; Irish for ""speed"") is a tram/light rail system in Dublin, Ireland. There are two main lines: the Green Line, which began operating on 30 June 2004, and the Red Line which opened on 26 September 2004. Since then, both lines have been extended and split into different branches further out of the city. The two lines, as of 2017, now intersect and connect within Dublin city centre. The system now has sixty-seven stations and of revenue track, which in 2018 carried 41.8 million passengers, an increase of 11.2% compared to 2017.