BRUNSWICK — Route 1 southbound near Cook’s Corner in Brunswick was to be closed temporarily to right a tractor trailer that rolled over Tuesday morning.

The Hannaford trailer-tractor rolled over at 6:17 a.m. The driver, who was transported to Midcoast Hospital, was not seriously injured, police said.

The cause of the crash is under investigation.

Police expected to have the road open soon after removing the truck.