The DII–2026 conference is part of the DII conference series on Infrastructure Development and Investment. It aims to provide a forum for leaders, researchers, practitioners, and stakeholders in infrastructure development to discuss, evaluate and devise ways of maximizing the benefits of infrastructure development and achieve outputs that will inform policy and wider development goals.Main TopicsSustainability in infrastructure developmentMega projectsInfrastructure investment – trends and forecastsSmart infrastructure and citiesQuality and resilient infrastructureGender equity, empowerment, and developmentBIM, digital twins, mixed reality, 3D printing and construction innovationClimate change, shock events response and water resourcesEnvironmental and waste managementInvestment and financeRenewable energyConstruction cost managementConstruction materials and ethical issues in constructionLean construction and value engineeringConstruction ergonomics, health, and safetySocial justice and social inequality in constructionCircular economy in constructionSupply Chain ManagementPostgraduate (Masters’ & PhD) Students’ PapersThe DII conference has been mandated to promote research and collaboration in Africa. Therefore, papers and research proposals from postgraduate students are also invited to be presented at the Conference on issues relating to Development and Investment in Infrastructure.Administrative and General InformationEnquiries concerning registration, Sponsorship, exhibitions, paper/ poster presentations and abstract submissions should be directed to DIIConference@uj.ac.zaImportant DatesConference Dates: 4-6 August 2026Abstract Deadline: 10 March, 2026Notification of Abstract Decisions: 18 March 2026Full Paper Submission Deadline: 6 May 2026Notification of Full Paper Decisions: 10 June 2026Final Paper Submission: 30 June 2026Conference Registration Opens: 1 April 2026Ph.D. Poster Submission Deadline: 1 April 2026SubmissionAbstract: https://app.oxfordabstracts.com/stages/80989/submitterRegistration Details$450 per paper(Lead authors: $450, Co-authors: $100)Non authors/conference delegates: $100Submission GuidelinesThe Abstract should not exceed 150 words and include up to 5 keywords. Papers should be limited to 9 pages. All submitted abstracts, papers will go through a double–blind peer– review process with decisions and comments availed to all authors. Final acceptance is only granted upon revising the manuscript in line with the reviewer’s comments.Acceptance of the manuscript is subject to review and approval by the Publishers. Publication in the proceedings and presentation at the Conference is subject to registration of copyright forms.For enquiries, contact: Dr Adetayo Onososen: Diiconference@uj.ac.za