DRACUT — Three teenagers were injured — at least one seriously — after an 18-year-old male driver lost control of the Ford Explorer he was driving and flipped over a guardrail on Route 110 around 4 p.m. yesterday.

The driver was identified as Zachary Marino of Dracut. He and two 15-year-old female passengers were taken by ambulance to Lowell General Hospital. Because of their ages, police would not release the names of the two girls, but did say that one of them was transferred to Massachusetts General Hospital in Boston, where she was listed in serious condition, according to Deputy Police Chief David Chartrand.

A spokesperson at Lowell General said that Marino had also been transferred but could not say where he was taken. There was no immediate report of the second girl’s condition.

Witnesses told police they observed Marino’s vehicle swerving eastbound on the road. At one point it appeared that the vehicle would cross over the double yellow line into oncoming traffic heading west. Marino may have overcompensated in an effort to straighten out, and crashed into the guardrail, police said.

Deep gouges and heavy scrape marks stretch about 25 yards along the guardrail to where the car rested on its side. The roof was crushed up against a tree, trapping all three inside. Rescue crews had to smash the rear windows to remove the victims from the wreckage. Large chunks of bark were torn off the tree trunk.

Dracut’s crash reconstruction unit, led by Officer James Quealy, joined the Massachusetts State Police reconstruction team as the investigation into the accident continues. Chartrand said no citations had been issued against Marino as of last night.