Connecticut transportation officials confirmed reports of several crashes on the state’s major highways on Wednesday morning.

A crash between a tractor-trailer and a vehicle on Interstate 84 East near Exit 55 after 8:30 a.m. Wednesday shut down the highway in East Hartford, according to the Connecticut State Police. Traffic was rerouted off Route 2.

Traffic was congested over a seven-mile stretch of roadway from Exits 39A to 56, according to the Connecticut Department of Transportation (CTDOT). State police asked drivers to seek alternate routes. The crash was cleared by the CTDOT just before 9:30 a.m.

According to state police, serious injuries were reported in the collision.

There were no injuries reported in a crash near Exits 48 and 49 on I-84 East in Hartford around 7 a.m., state police said. Two vehicles were involved in the crash, and responders were able to move the cars off the highway. It was cleared before 7:30 a.m., CTDOT said.

Minor injuries were reported in a crash on I-91 North in Wethersfield near Exit 25 after 6:30 a.m., state police said. The crash involved a tractor-trailer and other vehicles. The highway’s two right lanes were closed causing miles of delays during the morning commute. The delays were cleared before 10 a.m., according to the CTDOT.

In Groton, a box truck went down an embankment on the left side of I-95 North near Exit 88 around 3 a.m., state police said. There were no injuries reported in the one-vehicle crash.

Troopers shut down the area around 10 a.m. to remove the box truck from the embankment, but it was reopened about an hour later. The left lane was closed by the CTDOT to clean up debris, state police said.