MOUNT GRETNA, Pa. -- A Greyhound bus bound for St. Louis from New York City flipped on its side on the Pennsylvania Turnpike early Saturday, briefly trapping a woman and injuring about two dozen people, authorities said.
Twenty to 25 injuries were reported, turnpike spokesman Carl DeFebo said, and rescue crews freed the woman who was trapped in the wreckage at milepost 267, a rural area about a mile east of the Lebanon-Lancaster exit.
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The westbound bus had stopped in Philadelphia and was to stop again in Pittsburgh when it overturned about 6 a.m., DeFebo said. He didn't know what caused the bus to overturn but said police were investigating.
The westbound lanes of the turnpike are closed, causing traffic to be diverted at the Reading exit and rerouted to the Harrisburg East exit.
At Lancaster General Hospital, one of three hospitals where DeFebo said victims were sent, staff were evaluating five patients, said nursing supervisor Jan Frailey.
No one could be reached at Greyhound's corporate office in Dallas early Saturday morning.
The crash is the latest in a series of tour bus accidents in the Northeast this year, though most of those involved smaller operators.
More than 30 people have been killed and more than 300 injured in tour bus accidents this year, according to Advocates for Highway and Auto Safety. That's more than in all of last year, when there 30 killed and 272 injured in 28 crashes.
Tour bus industry safety has drawn heightened attention since the March crash of a bus returning to New York City's Chinatown after an overnight excursion to a Connecticut casino. Fifteen people were killed when the bus flipped onto its side and struck a pole, peeling off its roof.