Should the UK government fully renationalise train operators and create a single track-and-train organisation?

The government is renationalising private train operators, with 40% of journeys already public sector and rising to 60% by year-end. Legislation for a single organisation combining track and train is progressing through Parliament. A £10.2 billion infrastructure investment includes £7 billion for HS2, leaving £3 billion for the existing network amid frozen fares.