Limerick Southern Ring Road Phase II (Limerick PPP Scheme) comprises approximately 10 km dual carriage way along with associated link roads and side roads. The scheme is linking the already constructed Limerick Southern Ring Road Phase I at Rossbrien with the N18 Ennis Road close to Shannon Airport.
The Limerick PPP Scheme (Public Private Partnership) includes a fourth crossing of the River Shannon linking the northern bank with the southern bank at Bunlicky Lake.
The crossing comprises a 500 m long immersed tunnel section constructed from five precast tunnel elements of rectangular cross section for a dual lane in two bores. Further, the crossing includes 175 m cut and cover tunnels and 240 m ramps.