Oberon crash: One critical following accident near Oberon overnight

Six paramedic crews and two helicopters responded to the crash, which occurred two kilometres from the township near Spring Valley Road and Flash Track.

Emergency crews received Triple-0 calls at around 6.55pm with police, paramedics and fire crews all responding.

Two helicopters landed at the scene.

One patient, who was critically injured, was trapped by confinement for more than an hour before being airlifted to Liverpool Hospital.

A second patient was airlifted to Westmead Hospital suffering rib and facial injuries.

A third patient, suffering injuries to their lower legs, was transported to Orange Base Hospital by road ambulance.

Specialist crash investigators were called to he scene, with the road remaining closed for some time following the crash.