A number of public transport operators are beginning to return to normal capacity after being impacted earlier by Storm Debi.
Iarnród Éireann states that speed restrictions across the entire rail network have been lifted, however delays to services are still expected due to earlier issues.
It had previously activated speed restriction of 80 kilometres per hour.
The train line was closed earlier between Athlone and Portarlington due to trees on the line, affecting services between Dublin and Galway, Westport and Athlone, while a level crossing has also been damaged at Oranmore in Co Galway.
Speaking on RTÉ's Morning Ireland, the communications manager with Iarnród Éireann advised passengers to expect significant delays and to allow extra time for journeys and to get to stations.
Barry Kenny said the midlands was the worst effected with fallen trees, but the west of Ireland was not too bad so far.
He said that the service had crews out from early and on first trains to clear the lines as the trains move along and this work will continue.
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Services are also resuming across the Bus Éireann network.
"We are still experiencing a degree of service disruption due to Storm Debi and we would ask intending customers to check our website for service updates and to also leave additional time should you be intending to travel," Bus Éireann said in a social post.
In the capital, Dublin Bus and Go-Ahead services were not operating earlier this morning,
Dublin Bus said it expects that normal services will fully resume by noon.
Bus services in the capital resumed on a phased basis from 10am, while Dublin Bus media relations executive Harry McCann warned this could lead to delays and disruptions throughout the day.
Luas services have resumed on the red line, but green line services have not resumed due to a tree blocking the tracks at Beechwood.
Work to remove this obstruction is not expected to be finished until 2pm..
Dublin Airport is open and operational this morning, but there are a number of flights delayed.
Flights departing to Newcastle, Birmingham, Edinburgh, Glasgow, and Istanbul have all been delayed.
There are also delays to many flights arriving to the airport from the following - Leeds, New York, Washington, Donegal, Bristol, Glasgow, Edinburgh, Istanbul, and London Gatwick.
In a statement, the airport operator daa said that disruption is possible and passengers are advised to contact their airline for updates on specific flights before travelling to the airport.
A flight from Cork Airport to Amsterdam was cancelled last night also, but otherwise Cork and Shannon airports are operating as normal.
"Our transatlantic flights landed earlier this morning at Shannon from Boston and JFK. The JFK service was slight delayed due to a planned delayed departure. All other services are expected to operate to schedule, but passengers should check with their airlines in case of delays at other airports internationally," a Shannon Airport spokesperson said.
A spokesperson for Ireland West said flights are expected to operate as normal from the Co Mayo airport.
Last night Keith Leonard of the National Emergency Co-ordination Group said road users should be aware of "very hazardous and difficult conditions", including downed power lines.
He said there will be a substantial number of downed trees and other debris during the "serious winter storm with some dangerous features".
