The A30 eastbound near Launceston has reopened after a car and caravan overturned.
The incident involved a Toyota 4x4 and the caravan it was towing.
Two fire crews from Launceston Community Fire Station were called to the scene because it was thought that people might be trapped.
A spokesman for the fire service said that the casualties had been released prior to their arrival and they assisted by making the scene safe.
A police spokesman said it was not known why the vehicles had ended up on their roof.
He added that those involved suffered minor injuries and the road was reopened at 10.10am.
