It took paramedics one-and-a-half hours to free the driver - understood be aged in his teens - after his vehicle hit a tree on Youngareen Road near North Yalgogrin, west of West Wyalong, about 1.35am.

An Ambulance NSW spokeswoman said the teenager's legs were "seriously trapped" and, following his release, was treated for a possible fractured leg.

The Snowy Hydro SouthCare rescue helicopter was met by a road ambulance at West Wyalong Airport about 3.50am.

The teenager was transported to Wagga Base Hospital, where the helicopter landed at 5.05am.

A short time later, the SouthCare crew were called to Burcher, north of West Wyalong, to retrieve a patient with trauma injuries.

The spokeswoman said paramedics were called to Corinella Manna Road, near Burcher, at 4.41am to reports a vehicle had hit a tree. 

The spokeswoman said a 35-year-old man was treated for chest and facial injuries, while a 29-year-old female wasn't seriously injured. 

A Snowy Hydro SouthCare spokesman said crews arrived on scene about 6.55am and airlifted the man to Canberra Hospital. 

10.45am: THE Snowy Hydro SouthCare rescue helicopter was tasked to two accidents in the West Wyalong area during the early hours of Saturday morning. 

The organisation tweeted about the two primary missions, however, limited information is currently available.

The helicopter transferred a patient to Wagga Base Hospital at 2.16am following an car accident, but further details are unknown

Just a few hours later, the service was called to Burcher, north of West Wyalong, to retrieve a patient with trauma injuries. 

An Ambulance NSW spokeswoman said paramedics were called to Corinella Manna Road, near Burcher, at 4.41am to reports a vehicle had hit a tree. 

The spokeswoman said a 35-year-old man was treated for chest and facial injuries, while a 29-year-old female wasn't seriously injured. 

It is understood one of the patients was taken to Condobolin Hospital. 

More to come.