A mattress in the roadway causes a serious accident on I-40 Saturday afternoon.
It happened around 12:30 p.m. Saturday near the North Hills exit in the east bound lane.
Officials say the driver of a tractor trailer apparently ran over a mattress, which caused a spark and the truck burst into flames.
Traffic was backed up for hours while authorities worked to clear the scene. Two people and two dogs were inside the truck. Fortunately no one was injured.
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