The emergency services are at the scene of an accident on the M12 motorway near Portadown.
The crashed happened on Sunday afternoon on the Portadown-bound carriageway of the motorway, close to the M1.
It is understood that a car, red in colour, was involved in a collision and passing motorists have reported seeing it in a hedge.
Firefighters and the police are on the scene, with a helicopter also flying overhead.
Occupants of several vehicles are on the hard shoulder.
A police spokesperson said the crash was a single-vehicle collision. The driver of the car, who was its sole occupant, is being treated by paramedics for their injuries. An air ambulance was tasked but later cancelled.