A number of abandoned cars have been reported by Gardaí due to the conditions.
Do not take to the roads is the message being put out to the public by An Garda Síochána and AA Roadwatch on Friday morning, with several routes proving impassable after heavy snowfall overnight.
A number of primary routes have been severely affected by the conditions, while there are reports of fallen trees and abandoned cars in some counties following the worst night of weather this week.
AA Roadwatch are urging motorists not to get behind the wheel unless absolutely necessary and have reported that Waterford, Wexford, Wicklow, Kildare, Meath, Cavan, Monaghan, Tipperary and Galway appear to be the worst affected counties.
Check out the list of affected roads below and keep an eye on the AA Roadwatch website for updates throughout the day; status red and status orange weather warnings remain in place until 6pm.
Waterford
Extremely poor conditions across the city and county with heavy snowfall during the night and very strong winds.
Wexford
Gardaí are reporting extremely challenging conditions across the county, with strong winds and heavy snowfall, including in New Ross, Wexford Town, Enniscorthy and Gorey.
Wicklow
Heavy snowfall around the county with many routes impassable, including Wicklow Town, Arklow and Baltinglass.
Roads are slippery in the Baltinglass, Arklow and Bray areas due to snowfall, while some mountain routes are impassable.
Meath
Routes around Ashbourne and Dunboyne in Meath are impassable. Conditions are also poor in Kells.
The N51 is closed between Slane and Drogheda due to heavy snowfall, and there are reports of fallen trees on local roads.
Kildare
In Kildare, roads around Naas, Kildare Town, Leixlip and Athy are extremely poor and travel should not be attempted. Conditions are treacherous.
The Athy/Stradbally Rd (R428) and the Naas/Newbridge Rd (R445) are impassable.
Longford
Roads in Longford town are treacherous and travel is not advised. In Granard, the back roads are impassable. The N4 is impassable.
Monaghan
Heavy snow in parts of the county has resulted in treacherous conditions, especially in Monaghan Town, Castleblayney and Carrickmacross.
Cavan
Heavy snowfall has resulted in dangerous driving conditions on routes throughout the county.
Dublin
Snow and ice is lying on all untreated routes around the county. In the south of Dublin, Gardaí in Crumlin report conditions are extremely poor, with thick snow covering icy roads.
In the west of the county, the majority of routes around Tallaght and Lucan are impassable due to ice and thick coverings of snow on the roads, with Lucan Village and Liffey Valley inaccessible.
North of the county, Gardaí in Coolock report a number of abandoned vehicles on routes due to impassable roads. The overall message from Gardaí this morning is urging motorists not to take to the roads.
Offaly
There are very poor driving conditions in the Tullamore and Birr areas due to snow and ice.
Louth
Gardaí in Drogheda and Ardee say there was a lot of snowfall overnight and conditions are poor.
Cork
Snow remains a problem on higher ground in Cork City, while ice and snow are a problem on secondary routes around the county, including Cobh, Bantry, Clonakilty, Macroom, Togher, Bandon, Gurranabraher and Midleton.
Tipperary
Conditions are poor across Tipperary due to heavy snow, including on some main roads around Thurles, Nenagh, Clonmel and Cahir, where it’s blizzard-like. Secondary routes are especially dangerous.
Galway
There is heavy snowfall on many main roads across Galway including around the city, Gort Ballinasloe, Loughrea and on the M17 between J20 Tuam and J19 Annagh Hill. Secondary routes are especially dangerous.
Westmeath
Light snow overnight in Mullingar and Athlone but road conditions are still very bad. The N52 is reportedly impassable.
Wexford
There are poor conditions in parts of the county, with thick snow on secondary routes around Enniscorthy, Gorey and New Ross.
Leitrim
Snow and ice resulting in poor conditions on secondary roads around Carrick-On-Shannon.
Roscommon
Gardaí in Roscommon Town report very snowy conditions around the town and it’s quite slippery around Boyle.
Mayo
Heavy snowfall overnight has resulted in very slippery conditions around the county, especially in Ballina and Castlebar.
Laois
Some snow overnight in Portlaoise in Laois and care is needed on all routes.
The Mountrath/Birr Rd (R440) remains closed between Mountrath and Kinitty until further notice due to icy conditions.
The N80 is impassable between Portlaoise and Stradbally.
Carlow
Road conditions are very poor around Tullow due to snow. Secondary roads around Carlow Town are also slippery.
Kilkenny
Gardaí in Thomastown report very poor conditions following heavy snow.
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