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M4 between J49 and J48, Carmarthenshire (Grid ref SN573067) A483 between M4 jn49 and B4297 Hendre Rd, Carmarthenshire (Grid ref SN578073) B4297, Carmarthenshire (Grid ref SN585074) U, Carmarthenshire (Grid ref SN554082) A48 between A476 and M4 j49, Carmarthenshire (Grid ref SN571095) A48 between M4 j49 and A4138, Carmarthenshire (Grid ref SN586041) A4138 between M4 jn48 and A48/LA Boundary, Carmarthenshire (Grid ref SN580036) A48 between A4138 and A48 merge, Swansea (Grid ref SN591038) A48 between A4138 and A48 merge, Swansea (Grid ref SN591037) U, Glynhir Road, Swansea (Grid ref SN598038) M4 between J48 and Carmarthenshire boundary, Carmarthenshire (Grid ref SN580029) A476 between Llannon Road and B4310 Bethania Road, Carmarthenshire (Grid ref SN543100) M4 between Swansea boundary and J47, Swansea (Grid ref SN592025) C, Heol Lotwen (lotwen Road), Carmarthenshire (Grid ref SN585111) A483 between B4297 and Penygarn Rd, Carmarthenshire (Grid ref SN602104) U, Swansea (Grid ref SN608024) A476 between B4310 Heol-y-Bryn and A48, Carmarthenshire (Grid ref SN548119) A4138 between B4303 Exchange Row and M4 J48, Carmarthenshire (Grid ref SN537017) U, Nant-y-ci Road, Carmarthenshire (Grid ref SN603120) B4296, High Street, Swansea (Grid ref SN591007)