Crews responded to Danvers after a tractor-trailer rolled over on I-95 North Monday afternoon.
The crash happened at Exit 90 on the Danvers/Peabody line.
Several lanes are closed as a result and officials say the closures could last several hours.
At this time, there is no word of any injuries or what caused the crash.
This is a developing news story; stay with 7NEWS on-air and online for the latest details.