Interstate 95 North in Stamford was closed for hours after a tractor-trailer carrying Pine-Sol and salad dressing rolled over, but the highway has reopened.
The crash happened just after 4 a.m. near exit 7 and the exit 8 off-ramp remains closed.
The driver was taken to the hospital to be treated for minor injuries.
Crews turned the truck upright, moved it off the highway and eventually reopened the highway.
The state Department of Energy and Environmental Protection was called to the scene.
It's not clear what caused the crash or if weather was a factor.
No additional information was available.