The driver is thought to possibly have had a medical issue before he lost control of the vehicle, exiting the road, hitting a parked vehicle, causing the tractor-trailer to rollover and slam through the Littlestown Laundry Center, authorities said.
The crash happened in the 500 block of South Queen Street at 5:29 a.m. according to emergency dispatch.
A utility pole broke during the crash, officials said.
The area was still causing traffic detours as of 3 p.m. as multiple crews worked to clean up, remove the tractor-trailer, repair the wires, and investigate the crash.
The extent of the damage to the building and the estimated cost to repair it had yet to be released.
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