Transport Infrastructure Ireland (TII) is a state agency responsible for the planning, development, and maintenance of transport infrastructure in Ireland. Established in 2015, TII focuses on enhancing the country's road and public transport networks to improve connectivity and safety. TII oversees major projects, including the construction and management of motorways, bridges, and public transport systems. The agency works closely with local authorities and other stakeholders to ensure that transport infrastructure meets the needs of the population and supports economic growth.