UPDATE 3.30pm: MOTORISTS are urged to take extreme caution on the Pacific Highway around Bangalow where traffic is backed up for 5km after a three-car accident.
North-bound traffic is backed up to Lawlers Rd at Bangalow.
Both lanes of the Pacific Highway are now open but police have urged motorists to slow down upon approaching the Bangalow area.
2.30pm: TRAFFIC has reached a standstill on the Pacific Highway near Byron Bay due to a three-car accident.
The collision occurred on the north-bound lane of the Pacific Highway at St Helena just before 2pm.
Police said no one is believed to be injured.
The Rural Fire Service is at the scene cleaning up oil on the road.
North-bound motorists should travel on Bangalow Rd via Bangalow to reach Byron Bay.