A Greyhound bus travelling from NYC to St. Louis overturned early this morning on the Pennsylvania Turnpike, injuring over two dozen people. One woman was briefly pinned underneath the bus, and at least 25 of the 29 passengers were injured; three of the injured were transported by air to nearby hospitals. According to Bill Capone, the Turnpike's director of communications, "The bus overturned and we don't know what caused it. According to the state police, no other vehicle was involved in the accident."

The westbound bus had stopped in Philadelphia and was to stop again in Pittsburgh when it overturned just after 6 a.m. this morning. According to company spokeswoman Maureen Richmond, four passengers were uninjured and picked up by another Greyhound bus. This is the latest in a series of bus crashes this year in the Northeast, including a tour bus accident in the Bronx which killed 15 people, a tour bus accident upstate which killed one, and a Chinatown bus overturn which killed four.

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, which is more than all of last year. Gov. Andrew Cuomo has cracked down on tour bus companies as a result, suspending the operating licenses of eight charter and tour bus companies and 100 of their buses after they repeatedly failing safety inspections.