ANDOVER, MASS. (WHDH) - A man who veered off I-495 in Andover and slammed into a tree was transported by helicopter to a Boston hospital with serious injuries on Monday, officials said.

Troopers responding to a reported crash on the northbound side of the highway just before 2 p.m. closed all travel lanes and called for a medical helicopter due to the severity of the driver’s injuries, according to Massachusetts State Police.

Video from Sky7 HD showed several firefighters scrambling to cut away the vehicle’s roof to extricate the driver.

The victim was said to be conscious throughout the process.

The highway was closed while collision reconstruction and crime scene investigators processed the crash site.

Traffic in the area was backed up for several miles. The highway has since been reopened.

No additional information was immediately available.

This is a developing news story; stay with 7News for updates online and on-air.

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