the rig backs up. >> i watched him and to my amazement i couldn't believe he was going on the tracks. and as he got onto the set of tracks, the front warning gate came down. >> the truck begins backing up but the back gate closes just behind the driver's section of the 18-wheeler. the driver stops again, losing precious seconds as a speeding freight train heads right at him. >> i'm thinking, what are you doing, guy? get out of there. >> the big rig then lurches forward trying to outrun the train. >> i was stunned. i thought, what is he doing? don't take a chance like that. >> the fast moving northern canadian train makes a direct hit knocking the driver's section sideways. >> the train just smoked him, just t-boned him. the noise of it was like a sonic boom. >> employees at the lumber store hear the collision. >> just all of a sudden, bang,