NEW YORK (CBSNewYork) — An accident involving an overturned truck is causing delays for motorists on Staten Island Thursday morning.

An overturned truck blocked all of the lanes on the eastbound side of the Staten Island Expressway, forcing drivers to get into the shoulder to get around the crash, CBS2 reported.

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Emergency responders were working to clean up the mess after the truck spilled debris onto the road.

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What caused the truck to overturn was not immediately clear.

The investigation is ongoing.

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