A tractor-trailer rollover at a major highway interchange is causing massive traffic headaches during the morning commute in Massachusetts.
State police say a truck rolled on Interstate 495 southbound at the interchange with I-93 in Andover on Tuesday morning.
Broadcast reports say the truck was carrying potatoes and as many as eight other vehicles were involved.
All lanes of I-495 south were closed. State police tweeted that the ramp from I-495 south to I-93 north was also closed. I-495 south has since reopened.
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According to broadcast reports, traffic had backed up for about five miles and vehicles were being detoured off the highway.
There was no immediate word on injuries.