LAKEWOOD, CO (AP) — Transportation officials have reopened an interstate that was badly damaged by a fiery crash west of Denver. The Colorado Department of Transportation opened Interstate 70 in both directions Friday night. Police have said four people were killed on Thursday after a semi-truck plowed into vehicles on the interstate, causing a fire so intense that it melted the roadway and metal off of cars. The vital east-west highway links the mountains with the eastern plains. The truck driver, 23-year-old Rogel Lazaro Aguilera-Mederos, has been arrested on suspicion of vehicular homicide. He is scheduled to appear in court Saturday.