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.
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The Met Office have issued a yellow "Be Aware" warning of strong winds for the region for Sunday into Monday
Emma Jesson brings you Saturday night's forecast
Christmas Eve could be rather frosty and at present, Christmas Day looks like being cold and clear with one or two wintry showers