UPDATE 8AM: Heavy delays are expected to continue on the Pacific Motorway north of Port Macquarie following a truck rollover.
All lanes of the highway were closed for around five hours on Saturday morning following the incident, which happened around 1.30am.
One lane has since been re-opened and is under stop-go control.
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Traffic is banked back around 6kms with drivers urged to put off any unnecessary trips.
EARLIER: The Pacific Highway remains closed north west of Port Macquarie following a truck rollover early Saturday morning.
The B-Double lost control at Telegraph Point just after 1.30am with emergency services rushing to the scene.
The driver, a man believed to be aged in his 40s, was treated at the scene by NSW Ambulance Paramedics before being taken to Port Macquarie Hospital with minor injuries.
Officers are now investigating what caused the incident and the Highway is closed, about 15kms north of Port Macquarie, near Wilson River.
TELEGRAPH POINT: #PacificHwy B-Double rolled over has closed hwy in both directions. Avoid the area. Use alt route.
— Live Traffic NSW (@LiveTrafficNSW) July 1, 2016
Lengthy delays are expected and police are urging drivers to avoid the area and use an alternate route via Pembroke Road.
Head to the Live Traffic website for updates.