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A40 between Carmarthenshire boundary and B4328, Carmarthenshire (Grid ref SN200173) C3204, North Road, Carmarthenshire (Grid ref SN194182) C, , Carmarthenshire (Grid ref SN214180) C, Cwmfelin Boeth, Carmarthenshire (Grid ref SN197214) A477 between Carmarthenshire boundary and A40, Carmarthenshire (Grid ref SN231138) A40 between A478 and Pembrokeshire boundary, Pembrokeshire (Grid ref SN150167) A40 between B4328 and A477 / A4066, Carmarthenshire (Grid ref SN257167) A477 between Carmarthenshire boundary and B4314, Carmarthenshire (Grid ref SN198114) A477 between B4314 and A40, Carmarthenshire (Grid ref SN250133) B4314, Pembrokeshire (Grid ref SN153121) A477 between A478 and Pembrokeshire boundary, Pembrokeshire (Grid ref SN186104) A4066 between A40/A477 and A40, Carmarthenshire (Grid ref SN277163) A40 between A4066 and A477 / A4066, Carmarthenshire (Grid ref SN277161) A478 between Pembrokeshire boundary and Pembrokeshire boundary, Pembrokeshire (Grid ref SN121203) B4314, Carmarthenshire (Grid ref SN236096) A478 between Pembrokeshire boundary and Pembrokeshire boundary, Pembrokeshire (Grid ref SN121220) A478 between A40(T) and Pembrokeshire boundary, Pembrokeshire (Grid ref SN125228) A478 between Carmarthenshire boundary and Glandy Cross, Carmarthenshire (Grid ref SN133250)