Drivers are being warned of delays on Interstate-91 in Cromwell.
State police said a box truck crashed on the northbound side near exit 23.
The left and center lanes were blocked as of 6:30 a.m.
Troopers said there were only minor injuries, but congestion was reported to be about 6 miles long.
There's no word on what caused the crash.
For real-time traffic updates, check the WFSB traffic page here.
Copyright 2016 WFSB (Meredith Corporation). All rights reserved.