All lanes are now open on the New England Highway but delays near Hexham Bridge continue.
Authorities advise motorists to allow extra time if travelling in the area.
Raymond Terrace Road at Nelsons Plains has been reopened after a three car collision.
Traffic is now being affected near Hexham Bridge.
One of two eastbound lanes on the New England Highway approaching Hexham Bridge has been closed.
Traffic is heavy and slow back onto John Renshaw Drive.
HEXHAM: 1 of 2 eastbound lanes closed on the New England Hwy approaching Hexham Bridge. Traffic's very slow back onto John Renshaw Dr.— Live Traffic NSW (@LiveTrafficNSW) October 13, 2017
Traffic has been affected in both directions along Raymond Terrace Road following a car collision on Friday afternoon.
Emergency services were called to the scene of the collision at Nelsons Plains about 4pm.
The collision occurred along Raymond Terrace Road near Nobles Road.
A traffic warning is in place for motorists to find an alternative route.
NELSONS PLAINS: Very heavy traffic both ways on Raymond Terrace Rd due to a 3-vehicle crash at Nobles Rd. Expect delays, follow directions.— Live Traffic NSW (@LiveTrafficNSW) October 13, 2017