ANDOVER, MASS. (WHDH) - Two separate rollover crashes, including a tractor-trailer that spilled gravel, snarled traffic on Interstate 495 in Andover on Wednesday morning.
Emergency crews responding to a report of a crash on the southbound side of the highway near the Interstate 93 interchange found a tractor-trailer resting on its side next to a massive pile of gravel.
Video from SKY HD showed a front-end loader working to clean the mess. Three travel lanes were blocked off and traffic was left backed up for miles.
A motorist driving in a northbound lane also crashed and rolled over in the middle of the highway, prompting a large emergency response.
There was no immediate word on injuries to those involved in the crashes.
Motorists were urged to avoid the area if possible.
This is a developing story; stay with 7NEWS for updates online and on-air.
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