Flooding was a problem in many parts of the country this morning following persistent heavy rain overnight with parts of Leinster worst affected.
Some areas of Munster also experienced flooding and excess surface water.
Gardaí urged all road user to exercise extreme caution, drive with lights on and to leave for their destinations in plenty of time. Motorists should only drive through water if they can be sure it’s not too deep for their vehicle.
Dart services were suspended through Sandycove for a time earlier this morning due to flooding on the line. Normal service later resumed.
Drivers were asked to take particular care on the M1 southbound at J4 Donabate due to flooding. There were several crashes this morning. The on-ramp accessing the M1 was also flooded.
Severe flooding was also reported at Airside Retail Park and the road from Ballyboughal to Oldtown was impassable. The old Pormarnock Road is impassable at the trotting track between Malahide and Portmarnock.
Blake's Cross, at the junction of the R132/old Swords Road and the Dublin Road (R127) was impassable.
The Ashbourne/Swords Road was flooded at Kells Country Club.
Flooding was also reported on James Larkin Road between Watermill Road and Greendale Road.
The Alymer Road in Newcastle was also affected.
In Wexford town, a number of roads were impassable due to flooding. King Street, Davitt Road, South Main Street, Upper John Street, Old Hospital Road at Slaneywoods, Old Ferrycarraig Road and also the local roads between Wilkinstown Cross/Glynn, Murntown/Kildavin, Ardcolm/Castlebridge and Taghmon/Adamstown were affected.
There was severe flooding on the Wexford/Rosslare Road (R730) between Rocklands and the Rosslare Road roundabout.
In Co Wicklow, the Scalp/Enniskerry Road (R117) was impassable due to flooding.
There was flooding on the Delgany/Greystones Road (R761/R762) between Delgany and the Killincarrig road and the Mill Road in Greystones is impassable at the St Vincent's Road junction.
The Rathnew/Rathdrum Road was impassable on the Beehive Side of Deputy's Pass and there was also flooding on the N11 Wexford/Dublin Road northbound at the Ballinameesda Bends.
In Waterford, there was flooding on the Waterford/Dunmore East Road (R684) heading into Dunmore East and also around Callaghane.
The N25 Waterford/New Ross Road was impassable at New Glen.
Conditions have improved in counties Cork and Tipperary.
This evening there were reports of a truck on fire on the M1 Dublin/Belfast Road northbound at J18 Carlingford. Gardaí are dealing with the incident and motorists were advised to approach with care as visibility may be affected in both directions, AA Roadwatch said.