Both sides in the Luas dispute are due back at the Workplace Relations Commission today.
It is a bid to avert further strikes at the company.
Industrial action by drivers has been announced for St Patrick's Day, as well as Easter Sunday and Bank Holiday Monday.
Yesterday their union, SIPTU also announced further 48 hour strikes on April 2 and 3, as well as 23 and 24 of next month.
The drivers have reduced their pay claim from 53% over five years, to between 27% and 30%.