The International Conference on Infrastructure Development and Investment in Africa, known as DII-2025, will be held at the Julius Nyerere International Convention Centre in Dar es Salaam, Tanzania. This conference is a significant event in the DII conference series, focusing on critical issues surrounding infrastructure development and investment within the African continent. This year's theme, 'Building Infrastructure Better: Digitalisation, Decarbonisation and Decentralisation,' highlights the importance of integrating modern technologies and sustainable practices in infrastructure projects.