Kristian Valmadrid, a 29-year-old Roseville man, according to CBS 5, walked into the path of a big-rig on eastbound Interstate Highway 80 Wednesday morning, just south of the Carquinez Bridge," resulting in his immediate death. The incident happened a little after midnight this morning. CHP officers, who pulled over to check out a "green Toyota 4Runner parked on the right shoulder of eastbound Highway 80 near Pomona Street," spotted the man who quickly and fatally darted off into traffic. No word yet as to whether it was a suicide or bizarre accident.