Capital Beltway (I-495)

2 children and 2 adults injured, Beltway partially shuts down in Maryland after dump truck flips

The dump truck flipped Monday morning on the Outer Loop of the Beltway at Pennsylvania Avenue

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Two children and two adults are hurt and the Capital Beltway was partially shut down after a dump truck flipped in Prince George’s County, Maryland, on Monday morning, authorities say.

The dump truck flipped on Interstate 495 at Pennsylvania Avenue (Route 4) at about 10:45 a.m., Prince George’s County Fire/EMS said.

With the evening rush hour underway hours later, a portion of the Outer Loop of the Beltway was still shut down. It was expected to stay closed for at least a couple of hours.

A child and driver in the dump truck and a child and adult passenger in an SUV were all taken to hospitals, Maryland State Police said. The two people in the dump truck – a woman and child under 5 – were taken to a burn center.

Chopper4 footage shows a dump truck that crashed onto its side.

State police say that according to the preliminary investigation, the dump truck was headed north when it blew at least one tire, the driver lost control and the huge truck headed into southbound lanes. The truck flipped, hit poles supporting an overhead sign and caught fire. The flames were caught on a traffic camera.

The driver of an SUV that was headed south tried to avoid the dump truck and flipped.

Police say the crash compromised the overhead sign. A crew was working to remove the damaged sign at about 4 p.m. The burned dump truck remained on the scene. A hazmat crew responded.

An investigation by Maryland State Police is underway. No charges were pending.

A major crash involving a dump truck partially shut down the Capital Beltway in Prince George's County. Here's a look from Chopper4.

Officials initially said six people were taken to hospitals.

Stay with NBC Washington for more details on this developing story.

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