highways. they are an important part of our economy transporting goods and material around the clock. but if something goes wrong, these big rigs can turn into big disasters. april 8, 2010. a traffic cam captures randy pierce and his 18-wheeler full of frozen chicken entering a busy highway in lewisville, texas. he's just about to merge when suddenly a dump truck cuts into his lane. >> i thought, well, he's going to see me in a minute. so i started moving to the right. >> tense moments pass. no one knows if anyone still