During the three days, over 4,000 people worked on several projects up and down the country.
Further work to upgrade the West Coast mainline headed up the list of holiday work. The upgrade will increase capacity in the order of as well as leading to a journey time reduction of 56 minutes from London to Glasgow.
Platform extension work was carried out at Luton Airport Parkway, as part of the £5.5bn Thameslink Programme. Significant track and signalling works were also carried out at Merthyr and Newport.
Ongoing infrastructure improvement work at Hull Docks will enable 20 extra freight trains to serve Humber Ports daily; it is estimated that this could take up to 1,000 lorries off the roads every day.
Network Rail Director of Infrastructure Investment, Simon Kirby said: "I’d like to once again thank passengers for their patience whilst we carried out these essential works. This weekend saw yet again a tremendous amount of work completed across the country to improve the railway for passengers and freight users and we are continuing to do more."
Train services across the country returned to normal today, however scheduled work continues on parts of the West Coast Main Line.