All M50 northbound lanes have now been reopened at Junction 9 Red Cow after a five car crash brought traffic to a standstill on Tuesday morning.
Gardaí say there were no serious injuries after the incident, which has now been cleared.
Emergency services attended the scene while the road was totally closed off for a time.
Naas Rd onto M50 NB Slow.@M50Dublin @aaroadwatch @LiveDrive pic.twitter.com/bqneUDyhMQ
— M3murf™ Rob (@Murf_Rob) August 22, 2017
Traffic is still slow on before Junction 12 Firhouse and southbound traffic is also slow coming up to the incident from Junction 5 Finglas, according to AA Roadwatch.
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The N7 Naas Rd is also slow from Junction 4 Rathcoole to the Red Cow Interchange.