Transcript for Driver in Fatal Houston School Bus Crash Leaves Hospital
"Your voice, your vote" and the tragedy on the way to school. A bus crashing off an overpass leaving two high school students dead and two others and the driver injured. This morning, we're hearing from that driver, ABC's Ryan Owens joins us now from Houston with the latest. Good morning, Ryan. Reporter: Good morning. That bus driver saying she thought she was going to die and who could blame her? Take a look at the drop her bus took from that overpass down to the street below. A school bus on its side after plunging off a Houston overpass and crashing onto the street below. The images of mangled metal enough to make any parent shudder. This important two students from this Houston high school are dead. Gorgeous, full of life. This was going to be her senior year. She was a momma's baby and a daddy's girl. Reporter: The two other kids on board the bus and their driver injured. Remarkably that bus driver walking out of the hospital overnight. I think I'm gonna die. I'm driving and I hear something strong on the left side. After this I don't remember nothing. Police questioned the driver, they say caused the wreck and later released her. She's a Houston teacher and her mother says she's heartbroken. It was just a horrible dent. There wasn't anything done deliberate. She's just an emotional wreck right now. Reporter: It happened at 7:00 A.M. Tuesday when this woman seen moments after the crash changed lanes and hit the bus. The bus driver veered out of the way slamming through that guardrail and tumbling onto the street below. The family of the 17-year-old killed already talking about filing lawsuits against both drivers involved. Meanwhile, an investigation ongoing this morning into why that guardrail did not hold. George. Okay, Ryan, thanks very much.
This transcript has been automatically generated and may not be 100% accurate.