560 tonnes of new rail, 7,000 new sleepers and 20,000 tonnes of new track ballast is being stored ready for the modernisation work, which will see the Metro's longest line closure for more than 30 years.
More top news
Nathalie Goodall was last seen last night
The first part of a travel series which follows a Yorkshire Terrier on a trip around North Yorkshire has been released on YouTube.
Newcastle University scientists think a cheap drug could slow or delay heart disease in Type 1 diabetes patients