Emergency personnel work the scene where a Greyhound bus bound for St. Louis from New York City flipped on its side on the Pennsylvania Turnpike, briefly trapping a woman and injuring about two dozen people, according to authorities, about one mile east of the Lancaster-Lebanon interchange, early Saturday, Aug. 13, 2011, near Manheim, Pa. (AP Photo/Lancaster Newspapers, Dan Marschka)
Downtown Atlanta stands covered in snow and ice Tuesday, Jan. 11, 2011. A winter storm left many parts of Georgia crippled for a second day Tuesday, stranding Greyhound bus passengers in Atlanta without food and closing down government offices and school districts as roads remained coated in snow and ice. (AP Photo/David Goldman)
Mary Garcia gets food for her family, stranded since Sunday, at the Greyhound bus terminal in Atlanta on Tuesday. (Associated Press)
California Highway Patrol officers investigate a Greyhound bus crash on Highway 99 in Fresno, Calif., that killed at least six people and injured many others on Thursday, July 22, 2010. (AP Photo/Gary Kazanjian)
A crane begins to pull a Greyhound Bus that crashed and killed at least six people and injured many others on Thursday, July 22, 2010 in Fresno, Calif. (AP Photo/Gary Kazanjian)
A California Highway Patrol investigator retrieves a handbag from the wreckage of the fatal Greyhound bus accident in which at least six people were killed and others injured on Thursday, July 22, 2010, in Fresno, Calif. (AP Photo/The Fresno Bee, John Walker)
California Highway Patrol investigators work at the scene of the fatal Greyhound bus accident in which at least six people were killed and others injured Thursday, July 22, 2010, in Fresno, Calif. A Greyhound bus traveling to Sacramento from Los Angeles crashed on a highway in California's Central Valley early Thursday morning. (AP Photo/The Fresno Bee, John Walker)
A CHP officer investigates a Greyhound Bus crash that killed at least six people and injured many others on Thursday, July 22, 2010, in Fresno, Calif. (AP Photo/Gary Kazanjian)
California Highway Patrol investigators look over seats from a fatal Greyhound bus accident in Fresno, Calif. on Thursday, July 22, 2010, in which at least six people were killed and others injured. (AP Photo/The Fresno Bee, John Walker)
