A driver overturned his vehicle on the westbound Long Island Expressway in Old Westbury early Thursday, then got out of the vehicle and crossed the concrete highway divider into eastbound traffic, where he was struck by an oncoming vehicle, police said.

Tom Gorman, a police officer with the Old Westbury department, said the driver was airlifted to Nassau University Medical Center in East Meadow, but he did not have specific information on the nature of the injuries.

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"He was very lucky," Gorman said. "They were non-life-threatening."

The accidents at about 6:30 a.m. briefly closed down the Long Island Expressway in both directions during morning rush hour, Nassau County police said. Nassau police issued a traffic advisory at about 6:45 a.m., stating all lanes of the expressway between exits 39 and 40 were closed. The full closure lasted about 15 minutes.

Westbound lanes, except for the high-occupancy-vehicle lane, were closed for a little more than an hour. The HOV lane was reopened shortly before 7 a.m. All eastbound lanes were reopened at about 7:55 a.m., according to informny.com.

Gorman said there was no criminality involved in either accident.