UPDATE: All northbound lanes on the M1 Pacific Motorway have reopened after an earlier truck crash.
The vehicles rolled at Mount White about 10.40am Wednesday, causing lane closures near Jolls Bridge.
Paramedics treated two people at the scene for minor injuries, thankfully no one had to be transported to hospital.
Delays are expected for motorists travelling through the area, while salvage crews work at the scene.
EARLIER: THERE has been a truck crash on the M1 Pacific Motorway, closing some northbound lanes and causing long delays
The accident occurred about 10.40am Wednesday just past Jolls Bridge and heavy traffic has started to build in the area.
Emergency services and Transport NSW are on scene, initial reports suggest two people were injured in the crash.
One of three northbound lanes remains closed and motorists have been advised to expect delays, exercise caution and allow extra travel time.
There may be intermittent lane closures during the salvage operation.
More to come.
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