A fuel tanker crash snarled the Friday evening commute on Interstate 91 on New Haven.
The traffic backup was on the northbound side near exit 8.
A hazardous materials unit from the Department of Energy and Environmental Protection responded to the area.
There is no word on injuries.
The cause of the crash is under investigation.
To check traffic in your area, click here.
Stay with Eyewitness News on air and online for updates.
Copyright 2016 WFSB (Meredith Corporation). All rights reserved.