Emergency services are now on the way to deal with a five-car pile up on the M50.
Major traffic delays are expected at the Red Cow this evening.
The right hand Northbound lane is blocked with substantial delays at Ballymount.
It's the second evening in a row of major delays on the M50 following yesterday's incident in which a sand truck shed its load on the Westlink Bridge (Northbound) section of the motorway.
Some commuters were stuck in the tailbacks for more than two hours.
DUBLIN: Collision on M50 northbound at J9 Red Cow blocking the right lane and causing delays on approach. https://t.co/qvBPcgxUj8
— AA Roadwatch (@aaroadwatch) January 10, 2017
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