A truck overturned and spilled fuel oil on the inner loop of the Beltway, causing a traffic back up that extended back to MD-97/Georgia Avenue on Saturday, authorities said.
Two people were taken to the hospital and are expected to recover from their injuries, the Montgomery County Fire and Rescue Service said.
Three left lanes were blocked after the truck, which was transporting 4,000 gallons of fuel oil, overturned at around 2:20 p.m. on I-495 near I-95, according to the fire department.
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The closure caused traffic delays that lasted for several hours and extended to Georgia Avenue. Normal traffic patterns resumed Sunday morning.
Maryland State Police are investigating what caused the crash.
