HOUSTON -- Beltway 8-North's westbound frontage road is shut down at Antoine due to an overturned mixer truck.

Firefighters & police just arrived.

The crash happened before 8:30 a.m.

Some witnesses say the truck went from the mainlanes to the frontage road and overturned. Traffic on the mainlanes is slow due to rubbernecking.

No injuries have been reported.

As of 9:30 a.m. traffic was still snarled in the area.

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