A man and his female passenger were injured after their vehicle struck a tree after veering off Route 9 near Woodbine Road in Wellesley early this morning — the damage described as so extreme that the woman had to be extricated with the Jaws of Life, Wellesley police said.

Around 1 a.m., officers found the man outside the car with minor injuries, Wellesley police said in a video report. It took Wellesley firefighters about 20 minutes to safely free the woman from the wreck. Neither was identified.

The woman, who had suffered “multiple traumatic injuries,” was flown to Tufts Medical Center. The driver was taken to Tufts Medical Center by ambulance.

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Preliminary results of the investigation into the cause of the accident determined that the vehicle was traveling eastbound on Route 9 when it traveled off the road and struck a curb before hitting a tree near a residential driveway, police said.

Wellesley Police said the cause of the crash will not be known until a reconstruction is done, which could take a couple of weeks. The driver passed a sobriety test, they said.