The Government will launch its revised, €165bn National Development Plan (NDP) later today.
Cabinet ministers are gathering in Cork to sign off on the plan for capital spending over the next decade.
The NDP was due to run to 2027, but the Government decided to revise it in part to factor in newer 2030 climate targets.
While it sets out capital spending across the economy, much of the attention will be on transport infrastructure, which is expected to make up €35bn of the €165bn spend over the next decade.
All Government parties were trying to claim wins over the weekend.
Fine Gael and Fianna Fáil for ensuring no road projects from the previous plan were ditched this time out, and the Green Party for getting an extension of the commitment for a 2:1 spending breakdown of public transport in favour of road infrastructure.
The NDP is expected to commit to the Metrolink from Swords to Dublin city centre, though there is no clear commitment on a timeline for the much-delayed project.
Speaking last week, Transport Minister Eamon Ryan said he couldn't give a precise year for when the Dublin Metro would begin operations.
"We will deliver Metro, we can't be absolutely precise on the year because it does have to go through the planning system.
"It has to go to Government first of all, but I'm confident that we'll get it to Government and through Government and approved by Government in the coming months.
"But then it does have to go into a planning system that we've seen in the past does take time, and it's not certain.
"We do have to wait until it gets through the planning system before we know exactly how long it's going to take to build", he said.
The NDP is also expected to commit to a BusConnects programme for Cork, Limerick, Galway and Waterford.
The Cabinet will meet at University College Cork, before launching the NDP at Páirc Uí Chaoimh this afternoon