Are the modelling techniques used in appraisal current and robust? Is this reflected in the department's guidance and tools that it provides to users?

Background

The grow and level up the economy strategic priority is at the heart of the government’s agenda to spread opportunity across the UK. Transport has a crucial role to play, whether it be through improving connectivity across the United Kingdom and growing the economy by enhancing the transport network, on time and on budget. DfT has a number of specific interests in this space, notably our infrastructure projects, Places for Growth and our apprenticeships and skills work.