A crash involving tractor-trailer was causing delays on the northbound side of Interstate 91 in Wethersfield on Monday evening.
The three right lanes was closed between exits 22 and 25 after two-vehicle crash around 4:50 p.m. According to Department of Transportation, the crash could take about three hours to clear the debris.
Police said there was "one serious injury" reported in the crash.
The cause of the crash is under investigation.
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