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A48 between A476 and M4 j49, Carmarthenshire (Grid ref SN571095) U, Carmarthenshire (Grid ref SN554082) C, Heol Lotwen (lotwen Road), Carmarthenshire (Grid ref SN585111) A483 between M4 jn49 and B4297 Hendre Rd, Carmarthenshire (Grid ref SN578073) B4297, Carmarthenshire (Grid ref SN585074) M4 between J49 and J48, Carmarthenshire (Grid ref SN573067) A476 between Llannon Road and B4310 Bethania Road, Carmarthenshire (Grid ref SN543100) A483 between B4297 and Penygarn Rd, Carmarthenshire (Grid ref SN602104) A476 between B4310 Heol-y-Bryn and A48, Carmarthenshire (Grid ref SN548119) A476 between A48 and B4556 Penygroes Rd (Heol Penygroes), Carmarthenshire (Grid ref SN565131) U, Nant-y-ci Road, Carmarthenshire (Grid ref SN603120) C, Church Road, Carmarthenshire (Grid ref SN569139) C, Parklands Road, Carmarthenshire (Grid ref SN617120) A483 between Penygarn Rd and A474 Stryd Fawr (High St), Carmarthenshire (Grid ref SN620117) 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) B4556, Blaenau Road, Carmarthenshire (Grid ref SN614141)