Tractor-trailer accident slows evening commute on I-495 in Westboro
WESTBORO - Traffic was backed up for miles during the Thursday evening commute.
A tractor-trailer jackknifed on Route 495 near the Mass Pike in Westboro.
As of 8 p.m. Thursday, crews were still working to clear the rig from the median.
There were no injuries and no word on what caused the crash.
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