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Traffic in the Tip O'Neill Tunnel was halted while crews worked to clear a 15-car pileup.

BOSTON (WBZ) ― Traffic was halted for a time Friday morning as crews worked to clear a 15-car pileup in the Tip O'Neill Tunnel.

Massachusetts Turnpike Authority officials said the pileup happened in the northbound lanes of the I-93 tunnel.

Police said the mess was caused by a dolly that fell off of a truck. Fortunately no one was injured in the wreck.

Officials said they were able to quickly clear the scene within 45 minutes.

http://wbztv.com/local/Tunnel.pileup.tip.2.853651.html