- C, Carmarthenshire (Grid ref SN226089)
- B4314, Carmarthenshire (Grid ref SN236096)
- A477 between Carmarthenshire boundary and B4314, Carmarthenshire (Grid ref SN198114)
- A477 between A478 and Pembrokeshire boundary, Pembrokeshire (Grid ref SN186104)
- A477 between Carmarthenshire boundary and A40, Carmarthenshire (Grid ref SN231138)
- A477 between B4314 and A40, Carmarthenshire (Grid ref SN250133)
- A4066 between B4314 Pendine Hill and A40, Carmarthenshire (Grid ref SN300103)
- B4314, Pembrokeshire (Grid ref SN153121)
- A40 between B4328 and A477 / A4066, Carmarthenshire (Grid ref SN257167)
- A40 between A4066 and A477 / A4066, Carmarthenshire (Grid ref SN277161)
- A4066 between A40/A477 and A40, Carmarthenshire (Grid ref SN277163)
- A40 between A478 and Pembrokeshire boundary, Pembrokeshire (Grid ref SN150167)