M1 Motorway, Structure 9 Luton-Dunstable Railway Bridge, M1, Caddington, Central Bedfordshire. A Laing worker applying a bituminous joint sealant between the brickwork and the sides of Structure 9, a bridge carrying the Luton-Dunstable railway line over the London to Yorkshire Motorway (the M1).
This image was catalogued as part of the Breaking New Ground Project in partnership with the John Laing Charitable Trust in 2019-20
Copyright © Historic England Archive. John Laing Photographic Collection
Credit: A© Historic England Archive. Joh