R118 road (Ireland)
- R118: Dublin - Blackrock, County Dublin and Dún Laoghaire - Lahaunstown, County Dublin
- Between its junction with N11 at Kildare Street in the city of Dublin and its junction with N31 at Mount Merrion Avenue in the county of DunLaoghaire - Rathdown via Leinster Street South (and via Lincoln Place, Westland Row, and Pearse Street), Clare Street, Merrion Square North, Mount Street Lower, Northumberland Road, Pembroke Road, Ballsbridge and Merrion Road in the city of Dublin: and Rock Road in the county of Dún Laoghaire–Rathdown
- between its junction with N31 at Crofton Road and its junction with M50 at Lahaunstown via Marine Road, George's Street Upper (and via Park Road and Queen's Road), Glenageary Road Lower, Sallyglen Road, Church Road, Ballybrack dual carriageway, Wyattville Road and Wyattville Link Road all in the county of Dún Laoghaire–Rathdown.
- Statutory Instrument 188 of 2006 — Roads Act 1993 (Classification of Regional Roads) Order 2006, Irish Statute Book (irishstatutebook.ie). Retrieved 2010-08-02.