Network Rail budget top-up to be announced in autumn statement

Move aims to let rail operator finish bulk of five-year upgrades after funding fiasco led to ditching of two key manifesto pledgesThe chancellor is to announce hundreds of millions of pounds of extra funding for Britain’s railways to ensure Network Rail can carry out the bulk of its five-year plan, saving face for the government after it was forced to shelve two major rail projects due to overspending this year.Two reviews into Network Rail’s abortive £38bn upgrade programme ar