It's costing £30 million and will bring 500 jobs to Basingstoke. Work started today on a massive new railway signalling centre covering hundreds of miles of track in the south.
It's the biggest ever modernisation project by Network Rail that marks the end of an era. Hundreds of historic signal boxes will be made redundant.
Our transport correspondent Mike Pearse reports. He speaks to Basingstoke MP Maria Miller, Cllr Ranil Jayawardena, signaller Dave Thomas and Sam MacCarthy of Network Rail.