The Mitchell Highway between Orange and Bathurst has full reopened following a crash on Wednesday afternoon.
The incident, which involved a tractor and a truck, happened near Lucknow and caused traffic to back up.
A message from Live Traffic NSW at 2.15pm on August 23 read: "Only one lane of the Mitchell Highway is open under stop/slow traffic control due to a crash south of Lucknow.
"Traffic is heavy. Allow extra travel time."
But as of 4pm, the highway has been full reopened.
Pictures from the scene showed a tractor off the road completely and that it had been travelling towards Orange.
NSW Ambulance initially said that paramedics were called to the scene but that nobody was transported to hospital.
But NSW Police that later on, the driver of the tractor was taken to Orange Hospital for further treatment.
"Officers attached to Central West Police District have commenced an investigation into the circumstances surrounding the incident," the police spokesman added.
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