Slip Line Pipe Operationhttps://www.codot.gov/projects/archived-project-sites/C470ExpressLanes/images-video/slip-line-pipe-operation/viewhttps://www.codot.gov/projects/archived-project-sites/C470ExpressLanes/images-video/slip-line-pipe-operation/@@download/image/Slip Line Pipe near CO Blvd.jpg