A vehicle down an embankment has closed multiple lanes on Interstate 91 north in Rocky Hill on Tuesday morning.
State Dept. of Transportation officials said the crash is on I-91 north about 1/4 mile before exit 24.
At this time, the two right lanes are closed, they added.
State police said there is a large diesel spill and there's a nearby waterway risk. DEEP has already been called to the scene.
There is no word on if anyone was injured in the crash.
It's unclear when the highway will fully reopen.