It is reported that the new Metrolink transport system which will travel right across Dublin, will cost more than the €3bn price tag estimated.
The news of the possible increased costs comes as a revised plan for the 9km route was released on Tuesday.
Although no exact figure has been announced, both Transport Infrastructure Ireland and the National Transport Authority say costs could very well exceed what has been previously estimated.
The long discussed project which will see a new rail network linking Dublin Airport to the South of the capital, will have a revised plan as Transport Infrastructure and the National Transport Authority made a number of key changes on the route which will make travelling in the city relatively easy.
Under the new proposals the Luas Green line will remain open whilst construction work takes place despite previous plans suggesting that it will need an immediate upgrade to Metro standard.
It is understood the revised plan comes as the project developers say the upgrade will not be required for at least 20 years.
However although the Green Line will remain open throughout the construction work around Charlemount, developers say a section will be developed that will allow an interchange from Metro to the Luas at Charlemont for passengers.
Meanwhile in another significant change, the project will no longer require the need to acquire Na Fianna GAA club pitch, as scaled down plans will now allow for a more compact station to be built at the adjacent Home Farm FC pitch.
This change will however require the closure of Home Farm’s pitch for at least three years in order for construction work to be completed.
The revised plans will also see a shortened route as the line will now stop at Charlemont instead of extending out to Sandyford.
It is expected the new Metrolink will have at least 30 trains per hour in each direction, with 15 new Metro stations along the way, whilst it is estimated that it will take less than 30mins to get from the city centre to both Dublin Airport and Swords.
The project is also expected to create about 4,000 jobs during construction.
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