The Second International Conference on Maintenance and Rehabilitation of Constructed Infrastructure Facilities (MAIREINFRA2: Chairman Hosin "David" Lee, Professor of University of Iowa, Associate Editor MDPI Infrastructures Journal, and Immediate Past President of iSMARTi) is organized by the International Society for Maintenance and Rehabilitation of Transport Infrastructures (iSMARTi). The sustainable and resilient maintenance and rehabilitation of infrastructure is becoming a key challenge. The objective of this conference is to exchange technological innovations among researchers, government employees, consultants, and contractors for maintaining and rehabilitating sustainable and resilient infrastructures, which include roads, rails, bridges, and buildings. MAIREINFRA2 is for sustainable infrastructure engineers, smart city designers, disaster resilience professionals, intelligent transportation engineers, construction managers, maintenance engineers, consulting engineers, government employees, and academic researchers involved in designing and managing sustainable infrastructures worldwide. All papers accepted for the conference are published in the Open Access Scopus-Indexed MDPI Engineering Proceedings journal.