Dublin Bus is warning that all services are experiencing delays, the worst are on the southside of the city, especially in Lucan, Tallaght, Rathfarnham and Enniskerry.
Traffic updates: AA Roadwatch
No buses will go into Lucan village, they will stick to the main roads only. This includes the following routes: 239, 25, 25A, 26 66, 66A, 66D, 66N, 67 and 67A.
Dublin Bus route 65 is terminating in Citywest.
Dublin Bus route 44 is terminating at Kilternan.
Dublin Bus route 15 is terminating at Anne Devlin Park.
All Tallaght services are sticking to the main road and are not going into the estates. They will also terminate at the Jobstown Inn. These include the following routes: 56, 77, 77A
There are also major delays on the M50.
Traffic northbound is particularly badly affected with reports of extremely slippery driving conditions and more snow falling this evening.
Motorists are advised to travel with extreme caution and avoid the M50 if at all possible.
South Dublin county council says all main roads are open, but following heavy showers of snow, traffic disruption is likely.
More sleet and snow showers fell this afternoon and gardaí say main roads are gritted and open to traffic but caution is advised - especially on back roads.