Fares on many inter-city and commuter rail services, including DART, have been increased by an average of 5%.
Bus Éireann prices are also going up by an average of 5%.
Most cash fares for Dublin Bus customers have been increased by 10c for adults and 5c for children from today, with the exception of the €1 adult fare which will increase to €1.05.
Most adult LUAS fares will increase by 10c. There is no increase in LUAS SmartCard fares.