A4138 road
| A4138 | |
|---|---|
| Route information | |
| Length | 4.97 mi (8.00 km) |
| Major junctions | |
| East end | A48 at Pontarddulais |
| M4 | |
| West end | A484 at Parc Trostre |
| Location | |
| Country | United Kingdom |
| Primary destinations | Llanelli |
| Road network | |
The A4138 is a main road in Carmarthenshire, Wales, connecting Pontarddulais with Llanelli. Running in a northeast to southwest direction, the road connects with M4 junction 48. Northeast of the motorway, the road is classified as a non-primary route, while southwest of the motorway, the road is classified as a primary route. In both instances, the road is operated by Carmarthenshire County Council.