I-35 back open after RV overturns near S.E. 44th St.

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OKLAHOMA CITY -- Traffic is flowing smoothly again after all northbound lanes on I-35 were closed near S.E. 44th St. following an accident.

Authorities said an RV camper-type vehicle lost control and flipped over.

Officials said the driver fell asleep at the wheel.

The driver and a family friend on board were not injured.

The driver's wife was taken to the hospital but is expected to be okay.