It follows reports the projects could be delayed for a number of years.
The two projects were due to be up and running by 2027.
But construction on these may not begin until that date, according to the Mail on Sunday.
It highlights 2032 as a completion date for the Dart Plus extension, and 2034 at the earliest for MetroLink.
Calls For Support For Wicklow Bus Operators Amid Fuel Costs Rise
Fionntán Ó Súilleabháin says there is an 'unfair imbalance threatening the viability of regional services, school transport routes, and essential commuter connections.'
Bonjour Wicklow! French Travel Show Highlights Garden County as a 'Beautiful Escape'
Up to two million tourists could tune into French TV to see Wicklow on a popular travel show.
Never-Say-Die Wicklow Hurlers Earn Kehoe Cup-League Double With Stirring Comeback Win
Wicklow have two trophies to their name after a late late win was secured over Donegal to land the Allianz hurling league division 3 title
Have Your Seen Elizabeth?
An renewed appeal has been launched amid concerns for her welfare.
Five Year Sentence for Man Who Threatened Tiglin Founder
Three and a half years are suspended, on condition the 40 year old attends all necessary medical appointments.
Light rain
High: 14°C | Low: 7°C
Light rain
High: 14°C | Low: 8°C
Light rain
High: 14°C | Low: 7°C
Light rain
High: 13°C | Low: 8°C
Light rain
High: 14°C | Low: 8°C
