Supporting Evidence
Updated:
A full archive of supplementary research informing our main studies and reports.
Latest Updates
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Project level design principles
Practical guidance for design leads to implement our design principles for national infrastructure into every stage of a project life cycle
![T pylons under construction](https://b2052982.smushcdn.com/2052982/app/uploads/51904345792_56e7a05842_k-768x416.jpg?lossy=0&strip=1&webp=1)
NIA2: Impact so far
Review of the policy impacts already made by recommendations in the second National Infrastructure Assessment.
![Picture of a sunset over rolling green hills in Dorset](https://b2052982.smushcdn.com/2052982/app/uploads/iStock-147989111-768x512.jpg?lossy=0&strip=1&webp=1)
Technical annex – Natural Capital in the Second National Infrastructure Assessment
![Leeds urban transport](https://b2052982.smushcdn.com/2052982/app/uploads/iStock-1434911828-768x512.jpg?lossy=0&strip=1&webp=1)
Impact and costings for recommendations in the Second National Infrastructure Assessment
![Close up of a pile of waste plastic](https://b2052982.smushcdn.com/2052982/app/uploads/plastic-1-768x512.jpg?lossy=0&strip=1&webp=1)
Ricardo – Waste infrastructure technology mix
![Birmingham from the air](https://b2052982.smushcdn.com/2052982/app/uploads/Birmingham-shutterstock_1007020363-1-768x405.jpg?lossy=0&strip=1&webp=1)
Data annex – Employment growth and urban connectivity of selected Primary Urban Areas
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Prospective – Transport connectivity methodology
![The logo of the Young Professionals Panel](https://b2052982.smushcdn.com/2052982/app/uploads/YPP-Logo-1-768x476.png?lossy=0&strip=1&webp=1)
YPP – Priorities for the next generation
The YPP's report sets out their own priorities for future infrastructure strategy, with proposals focused on reaching net zero, a just transition to a lower carbon, and a more climate resilient economy.
![Digital city image](https://b2052982.smushcdn.com/2052982/app/uploads/Digital-city-graphic-image-768x512.jpg?lossy=0&strip=1&webp=1)
Analysys Mason – 5G wireless deployment scenarios
![blurred Large crowd of people](https://b2052982.smushcdn.com/2052982/app/uploads/blurred-crowd-1-768x259.jpg?lossy=0&strip=1&webp=1)
Thinks Insight & Strategy – Social research
![Man turning on a British Combi Gas Boiler](https://b2052982.smushcdn.com/2052982/app/uploads/iStock-946209256-768x513.jpg?lossy=0&strip=1&webp=1)
Arup – Future of Great Britain’s gas network
![A Telecommunications tower against blue spring sky with a few wispy white clouds](https://b2052982.smushcdn.com/2052982/app/uploads/iStock-1017147794-768x511.jpg?lossy=0&strip=1&webp=1)
Warwick University – Economic impact of significant deployment of infrastructure
![Family members standing, waiting at a bus stop smiling and laughing with each other. They are all wearing casual clothing.](https://b2052982.smushcdn.com/2052982/app/uploads/iStock-1410779954-768x512.jpg?lossy=0&strip=1&webp=1)
Steer – Urban transport capacity, demand and cost