An overnight tractor-trailer fire closed part of Interstate 95 South in Stonington.
State police said a tractor-trailer was carrying food of some kind when it caught on fire. There was no crash, but it was possible there was a fuel spill.
CT Travel Smart said the right lane of the highway was closed between exits 92 and 91.
Consumer Protection and the state Dept. of Energy and Environmental Protection were called to the scene.
Get top local stories in Connecticut delivered to you every morning. Sign up for NBC Connecticut's News Headlines newsletter.
Sign up for our Breaking newsletter to get the most urgent news stories in your inbox.