The truck left the highway going seventy. It might have slid to a halt­ innocent screech of brakes on the pavement, muddy tire ruts on the soft shoulder of the road-if not for the pull-out approach it encountered in the ditch, which it took from the side. A twenty-six-foot Ryder truck full of our three-man road crew and our equipment was vaulted into the air. Ninety-five feet it flew, the police say.