A crash has slowed traffic on Interstate 91 north in Rocky Hill.
Troopers said the crash involved three vehicles and happened between exits 23 and 24 just before 9:30 a.m.
Three lanes are closed.
According to state police, only the right lane is open between exits 22 and 23.
They said more than 2 miles of congestion has been reported.
There's no word on injuries or a cause.
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