The accident was on I-95 northbound between Exit 17 for Route 33/136 and Exit 18 for the Sherwood Island Connector. The fire was reported at 8:45 a.m. and closed the right and center lanes.
All of the highway lanes were reopened by 9:45 a.m. Thursday after the fire was extinguished and the scene cleared.
Stop-and-go traffic and small delays were reported in the area, DOT said.
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