Further strike action by Luas drivers means there's no service again today.
The latest 48-hour strike comes as both sides in the dispute remain deadlocked in a row over pay.
It follows the rejection by workers of a deal brokered at the Workplace Relations Commission and recent calls for the WRC Chief, Kieran Mulvey, to resign over an accusation of bias against SIPTU.
Last week workers rejected a proposal of up to 18% over three years. Another two days of industrial action is planned for later this month.
However, SIPTU's Eoin Reidy says he remains hopeful that this dispute can be resolved: