| R399 road | |
|---|---|
| Bóthar R399 | |
Leaving the N55 | |
| Route information | |
| Length | 5 km (3.1 mi) |
| Location | |
| Country | Ireland |
| Primary destinations |
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| Highway system | |

TheR399 road is a shortregional road inIreland linking theN55 to theR393; all inCounty Longford.
Its route runs north of theRoyal Canal.Abbeyshrule, situated on the canal andAbbeyshrule airport are just off the R399 to the south. The road is 5 km (3.1 mi) long.