Two lanes are closed on Route 20 West in Windsor Locks because of a tractor-trailer fire.
A photo from the scene shows smoke billowing from the back of a tandem FedEx truck.
The right and center lanes are closed just before Old County Road and there are residual delays on ramps to the connector to Interstate 91 North and South.
Firefighters from Windsor Locks are at the scene.
No additional information was immediately available.