Back face construction Wall D
https://www.codot.gov/projects/i70mountain/i-70-westbound-peak-period-shoulder-lane/photo-gallery/back-face-construction-wall-d/view
https://www.codot.gov/projects/i70mountain/i-70-westbound-peak-period-shoulder-lane/photo-gallery/back-face-construction-wall-d/@@download/image/Back face construction Wall D.jpg
Back face construction Wall D