Roads & Tolling Tolling Information/eflow TII operates, maintains and improves the national primary and secondary road network in Ireland. Find out how we provide travel... Operations & Maintenance TII operates, maintains and improves the national primary and secondary road network in Ireland. Find out how we provide travel... Our National Road Network TII's primary function, under the Roads Act 1993, is to secure the provision of a safe and efficient network of... Projects & Improvements The objective of the TII's capital expenditure programme is to improve the safety and efficiency of the national road network...