HOPKINTON (CBS) – A driver was killed when a car rolled over and crashed into icy water off of Interstate 495 in Hopkinton early Monday morning.

State Police say a 23-year-old Ethan Huckins of Medway was driving a 2006 Honda Civic in the northbound lanes just before exit 21 when he lost control of the car around 5:30 a.m. It rolled over into the median and ended up on its roof submerged in water.

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The car rolled over into the median off I-495 in Hopkinton early Monday. (WBZ-TV)

Huckins was pulled out by Hopkinton and Milford firefighters, EMS started CPR and rushed him to Milford Hospital where he died. There’s no word yet on what caused the crash.

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The car rolled over into the median off I-495 in Hopkinton early Monday. (WBZ-TV)

Traffic was getting by the crash site, but there were delays at the start of rush hour.

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No other information is available at this point in the investigation.