Merseyrail Building the underground loop link

The building of the Merseyrail underground, opened in 1977. Using previously unpublished plans photographs This video tells the story of the work to transform the separate electric lines of Merseyside into a successful rapid transit network. The construction period spanning from 1972 to 1977. Up to time index 10:19 is the planning stages. From 10:19 onwards is the construction photos.