Route 93 was temporarily closed after a car crash on Insterstate 93 north at Interstate 495 in Andover left one person with life-threatening injuries, according to police.
Officials say the crash occurred when a car hit the back a tractor trailer, leaving the driver of the car with serious injuries.
A helicopter landed on the highway to fly the injured to a hospital. Police have not given an update to the driver's health.
Officials have since reopened I-93 north to one lane, and reopened I-93 south completely.
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