Kari Chopper had an enlarged heart and may have experienced abnormal heart rhythm or a fainting episode before she crashed into a pillar at the Denver airport last month, according to the autopsy. No signs of drug or alcohol use were found.
Police find no mechanical problems with the bus that Kari Chopper was driving that crashed into a pillar at the Denver airport earlier this month. Autopsy results for Chopper have not been released yet.
The Texas bus driver reportedly swerves to try to avoid hitting another vehicle, veers off the road, overturns, and crashes into a ditch. Sixteen students and the bus driver are taken to the hospital.
Kyle Richmond, 16, is riding a skateboard when he falls into the road and a school bus hits him. He suffers severe head trauma and is pronounced dead at the scene.
As a 12-year-old boy in Wisconsin walks home from the first day of school, he crosses an intersection and is hit and killed by a school bus, which is making a turn into the intersection.
In Valdosta, Georgia, a tractor-trailer carrying metal beams collides with a school bus. More than a dozen students are injured in the crash — one fatally.
Roy Newman of Georgia is driving students to school Monday morning when his bus leaves the road and crashes head-on into a tree. All the students aboard are treated for injuries.
In response to a safety review, Knox County (Tenn.) Schools directs funds to hire a safety manager, install surveillance cameras in new school buses, and ensure that spare buses have a radio system.
Florida fire rescue staff simulate a school bus crash, flipping a school bus onto a car. They advise students to look for traffic when exiting, stick together, and stay close to be accounted for.
Investigators find that when a Houston ISD school bus was struck by a car and fell from an overpass last year, the four teens on the bus were not buckled up, and the two who died in the crash were ejected.
Last fall, Houston ISD committed to including three-point belts on its new school buses. Now, the school board decides to require students to wear them.
A pickup truck driven by a 16-year-old student in Altoona, Alabama, collides with a school bus. The teen is killed, and the bus driver and aide are injured.
Randy Allen Payne of Washington allegedly hits two teenage girls with his SUV as they cross the street. He faces several charges, including DUI. The girls are being treated for serious injuries.