Motorists travelling on the Pacific Highway are being urged to exercise extreme caution following an oil spill which stretches between Wardell and St Helena Hill.
The diesel spill stretches over an 80km distance in the northbound carriageway.
Emergency services and incident response crews are cleaning up the spill, however due to the length of the spill the operation is expected to take some time.
Motorists travelling northbound on the Pacific Highway should drive with extreme caution.
For further information regarding this incident and others on the NSW road network visit www.livetraffic.com or call the Traffic Information Line on 132 701.