New footage has been released that shows the removal of the northbound payment barriers at the Dartford Crossing.
The time lapse video shows the old northbound payment booths and barriers being removed to allow the new safety system to be installed to prevent oversized and dangerous goods vehicles from entering the tunnels.
The works at the Dartford Crossing are set to be finished later this year.
Video courtesy of Highways England. For more info, go to http://www.gov.uk/highways/dartford