TII is a state agency under the aegis of the Department of Transport, working at both national and regional level, in partnership with Local Authorities regarding national roads and greenways, and the National Transport Authority (NTA) regarding light rail and metro .
TII was established through a merger of the National Roads Authority (NRA) and the Railway Procurement Agency (RPA) under the Roads Act 2015, and was set up to deliver and operate safe and efficient light rail and national road networks.
In 2021, TII was delegated additional functions in relation to active travel and greenways.
At TII we are building a more sustainable economy and a better quality of life for everyone. To learn more about our organisation and the valuable work that we do to keep people and goods moving safely and reliably every day, click on our information video below.
23/02/2026
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04/02/2026
Transport Infrastructure Ireland has determined that an Appropriate Assessment is required in respect of proposed bridge works in the townland of Merginstown Glen, Co. Wicklow. These works comprise of scour repair of the riverbed at the downstream end of the Merginstown Bridge concrete apron. Prior to making a determination, the applicable legislation requires TII to carry out a public consultation and publish a notice of the proposed project.
Click here for further details
In compliance with the RISM Directive (Article 5) and the Irish Government’s Road Safety Strategy (Phase 1 Action Plan 2021 to 2024 – Action 1), TII Road Safety have prepared a network-wide road safety assessment (NWA) for rural sections of Irish national primary roads. The purpose of NWA is to classify the road network into safety levels. Those sections with poor safety ratings will be prioritised for targeted road safety inspections and, where necessary, suitable interventions.
For more information on the NWA, click here
TII’s strategic objectives include the continued operation and maintenance of existing transport network infrastructure.
The National Planning Framework is the Government’s strategic plan for shaping future growth and development.
