AA Roadwatch said it caused delays on the approach from the J11 Tallaght, partially blocking two lanes.
Onlookers also slowed down southbound traffic at Junction 10, the AA said.
Dublin Fire Brigade said there were no serious injuries from the multiple collision.
Victim's ordeal after beating
A YOUNG Galway man was seriously injured and has been attending a psychiatrist since he was brutally attacked by a gang of youths during his first stay in Dublin, a court has heard.
Two boys, aged 16 and 17, faced preliminary hearings at Dublin Children's Court yesterday in connection with the attack on the 20-year-old man.
They have been charged with assault at the Dublin City University campus on February 25.
The man was repeatedly kicked and punched in front of his girlfriend.
The boys were remanded on continuing bail to appear again next month.
Funeral probe man loses plea
A MAN arrested as part of a garda probe into the firing of shots over a coffin at a paramilitary funeral has lost his High Court challenge against his detention.
Derek Nolan (30) from Seacliff Road, Baldoyle, north Dublin, was arrested on Tuesday night.
The allegations arise out of an incident when shots were fired over dissident republican Alan Ryan's coffin on September 8.
Help calls after Erin's suicide
YOUTH workers are going all out to inform schools, sports and teenage clubs on the dangers of cyber bullying.
Since the tragic death of Erin Gallagher, who took her own life after being the victim of online bullies, the Donegal Youth Service has been inundated with requests for information inform teens about the perils of cyber bullying and how to address it.