Bosses at Network Rail will today officially unveil its new hub for the firm's road vehicles which has been built at Ryton near Coventry.
The project cost £25 million and is on the site of the former Peugeot factory which closed in 2006.
The new building covers 300,000 square feet and is being described as a 'significant' base for the rail company's fleet of road vehicles.
Network Rail's National National Delivery Service supplies 150,000 parts for trains and infrastructure, and the new site was chosen for its close location to the A45 and close links to railway lines.
Work began on site just over a year ago and the building has been operational since this August.
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It will be a cloudy start with rain clearing east during the morning.