A vehicle down an embankment has closed part of Interstate 95 north in Darien on Tuesday.
State Dept. of Transportation officials said the vehicle is down an embankment between exits 12 and 13.
The right lane between the exits is currently closed, officials said.
According to officials, there is nearly 5 miles of congestion in the area between exits 9 and 13.
It's unclear if anyone is injured in the incident.
Authorities have not released details about when the area may fully reopen.