Police are at the scene of a tractor-trailer rollover on Interstate 495 in Andover, Massachusetts.
Rescuers responded to I-495 southbound near the Interstate 93 interchange around 5:10 p.m., where a truck had flipped on its side, blocking the road.
The driver of the truck, who sustained injuries not believed to be life-threatening, was removed from the vehicle and transported to Lawrence General Hospital.
No other vehicles were involved in the crash.
All three lanes on I-495 south were closed as crews worked to remove the truck, causing massive delays.