Network Rail Director Mick Carne said the planned £38 billion upgrade to Britain's railways will improve the resilience of the system and the service for passengers.
Speaking to Consumer Editor Chris Choi he said the investment announced today was vital, and that he was "very conscious of the fact" that Network Rail "had a better job to do".
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A "public-spirited" passerby retrieved the child.
A man wanted in connection with a hit-and-run crash which killed a four-year-old girl has been arrested, police have confirmed.
Scotland's First Minister was pictured with her feet up on the sofa while penning the document to Theresa May.