AP Photo/Tony Gutierrez
A Texas State Trooper stands in front of a bus that is laying on its' side after it crashed on U.S. 75 killing at least 14 people, Friday, Aug. 8, 2008, in Sherman, Texas. The charter bus with 55 people aboard ran off a highway overpass north of Dallas and crashed onto its side on a roadway below.
AP Photo/Tony Gutierrez
Sherman emergency officials look in through the front windshield at the drivers seat of a bus, laying on its' side, that crashed on U.S. 75 Friday, Aug. 8, 2008, in Sherman, Texas. Scores of injured were taken to Sherman and Dallas hospitals by helicopter ambulances.
AP Photo/Tony Gutierrez
A Texas state trooper takes photographs at a bus accident scene on U.S. 75 that killed at least 13 people early, Friday, Aug. 8, 2008, in Sherman, Texas. Police said the bus possibly "blew a tire."
AP Photo/Tony Gutierrez
Emergency officials at right look into a bus through it's overhead hatch as it lays on its' side following a crash on U.S. 75 that killed at least 14 persons aboard early Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
Emergency officials are seen in the foreground as a hurst departs a bus accident site where 14 people died in a crash early, Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
A Sherman, Texas, emergency official walks by a bus that crashed on U.S. 75 killing at least 14 people early Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
A Sherman, Texas, emergency official stands in front of a bus that crashed on U.S. 75 early Friday, Aug. 8, 2008, in Sherman, Texas.
AP/Herald Democrat/Chris Jennings
Fire trucks and police cars line up at the site of a fatal bus wreck on U.S. Highway 75 in Sherman, Texas early Friday Aug. 8, 2008. The charter bus, with 55 aboard, ran off a highway overpass north of Dallas early Friday and crashed onto its side on a roadway below.
AP/Herald Democrat/Chris Jennings
Sherman critical accident investigation team member Katie Moore photographs the wreckage of a charter bus that was involved in a fatal wreck early Friday morning Aug. 8, 2008.
AP Photo/Tony Gutierrez
Traffic is seen going south on U.S. 75 as emergency workers work the scene of a bus accident that resulted in multiple deaths early, Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
Emergency workers work the scene of a bus accident, seen above left, where 14 people died early Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
The bus that crashed on U.S. 75 is seen as it is taken away from the accident site, Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
A law enforcement official carries a personal bag he collected from a deadly bus accident site, Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
Emergency crews use tow trucks, at left, to roll a bus back over on its tires following a deadly bus crash on U.S. 75, Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
A bus that was involved in a crash that resulted in multiple deaths is loaded onto a flat bed tow truck, Friday, Aug. 8, 2008, in Sherman, Texas.
AP Photo/Tony Gutierrez
A bus that was involved in a crash that resulted in multiple deaths is towed away from the accident site on U.S. 75, Friday, Aug. 8, 2008, in Sherman, Texas.