- A476 between Ridgeway, Swiss Valley and C-road Ystradfai, Carmarthenshire (Grid ref SN521032)
- C, Carmarthenshire (Grid ref SN513039)
- A476 between A484 roundabout and Ridgeway, Swiss Valley, Carmarthenshire (Grid ref SN512016)
- A4138 between B4303 Exchange Row and M4 J48, Carmarthenshire (Grid ref SN537017)
- A4138 between A484 and B4303 Exchange Row, Carmarthenshire (Grid ref SN528007)
- A484 between A476 and A4138, Carmarthenshire (Grid ref SN512007)
- A484 between A476 and A4124, Carmarthenshire (Grid ref SN509005)
- A4214 between A484E and A484W, Carmarthenshire (Grid ref SN508001)
- A484 between Maesyrhaf, Pwll and A476, Carmarthenshire (Grid ref SN499006)
- U, Denham Avenue, Carmarthenshire (Grid ref SN494009)
- B4304, Station Road, Carmarthenshire (Grid ref SS507995)
- A484 between A4138 and Carmarthenshire boundary, Carmarthenshire (Grid ref SS535992)
- M4 between J48 and Carmarthenshire boundary, Carmarthenshire (Grid ref SN580029)
- A4138 between M4 jn48 and A48/LA Boundary, Carmarthenshire (Grid ref SN580036)
- U, Carmarthenshire (Grid ref SN554082)
- M4 between J49 and J48, Carmarthenshire (Grid ref SN573067)
- A48 between M4 j49 and A4138, Carmarthenshire (Grid ref SN586041)
- A484 between Swansea boundary and A4240, Swansea (Grid ref SS561980)
- A4240 between A484 and Culfor Rd, Swansea (Grid ref SS565980)
- A48 between A4138 and A48 merge, Swansea (Grid ref SN591037)