NORTH ANDOVER, MASS. (WHDH) - Police are investigating a rollover crash involving a tractor-trailer on Interstate 495 on Thursday afternoon, officials said.

Emergency crews responding to a crash on I-495 northbound at Massachusetts Avenue in North Andover found a tractor-trailer that had rolled over.

The right and center travel lanes were closed as of 2:51 p.m., according to Massachusetts State Police. Motorists are advised to expect delays.

An investigation into the crash remains ongoing.

No additional information was immediately available.

This is a developing news story; stay with 7NEWS for updates online and on-air.

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