Now to the incredible story of survival. Man trapped in a car, deep in a ravine for six days, no food or water. Somehow managing to stay live and be rejited with his family. Clayton sandell has his... See More
Now to the incredible story of survival. Man trapped in a car, deep in a ravine for six days, no food or water. Somehow managing to stay live and be rejited with his family. Clayton sandell has his amazing story. Reporter: This morning, richard custer is in a colorado vings hospital, battered and bruised. Finally able to talk about his ultimate test of survival. I thought I was in a dream. Reporter: The 36-year-old's speech still garbled from that fateful day in mid october when he was riding in a truck driven by his friend. It was his daughter's 13th di birthday. I called her. Reporter: Then the unthinkable. The trush crashes down a ravine. Moore was killed. Custer trapped. I remember telling myself i can't move, I can't get out of this truck. Reporter: For six frigid days and nights, no food, no water, and no one coming to help. Many details of how he survived, he says, he can't remember. I stuck my arm out the big hole in the back of the truck and was yelling for help. Reporter: With hope fading, miraculously a highway worker finally spots the truck six days after the crash. He was just in pieces. One leg was still left. It looked so bad. Reporter: Custer lost both legs. He knows he's lucky. I think god has a plan for me. I'm pretty sure that's why he lived. Reporter: His mother considers the day he was RESCUED, OCTOBER 17th, HIS NEW Birthday. For "good morning america," clayton sandell, abc news, denver.
This transcript has been automatically generated and may not be 100% accurate.