| Country: | IRL |
| Type: | R |
| Route: | 818 |
| Image Notes: | Walkinstown Roundabout marks the western end of the R818 |
| Length Km: | 3.3 |
| Length Ref: | [1] |
| Destinations: |
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The R818 road is a regional road in Dublin, Ireland.
The official definition of the R818 from the Roads Act 1993 (Classification of Regional Roads) Order 2012 states:[2]
R818: Terenure - Walkinstown Roundabout, County Dublin
Between its junction with R137 at Templeogue Road Terenure in the city of Dublin and its junction with R112 at Walkinstown Roundabout in the county of South Dublin via Terenure Road West in the city of Dublin: Kimmage Road West and Cromwellsfort Road in both the city of Dublin and the county of South Dublin.