According to reports, the UK government has published its latest National Infrastructure Plan, planning to invest £600 billion (approximately US$802.18 billion) in government and private funds in the infrastructure sector over the next 10 years. The plan comprises approximately 700 projects, programmes and other investment plans. The 2017 plan envisaged investment of £460 billion (approximately US$614.95 billion), of which more than £240 billion (approximately US$320.87 billion) will be invested before 2020/21. Around £220 billion (approximately US$294.11 billion) is planned for investment after 2020/21. The plan includes several long-term programmes, such as the High Speed 2 rail project and the £1 billion (approximately US$1.34 billion) Manchester Airport transformation project, and will also invest £110 billion (approximately US$147.04 billion) in power generation after 2020/21. The government has also published a plan to improve construction productivity, with the aim of saving £15 billion (approximately US$20.05 billion) per year. The government is currently assessing related methods, such as off-site manufacturing and improving delivery times by 60%.