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.

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The cause of the crash is under investigation.

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