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A483 between M4 jn49 and B4297 Hendre Rd, Carmarthenshire (Grid ref SN578073)
A483 between B4297 and Penygarn Rd, Carmarthenshire (Grid ref SN602104)
A483 between A484 and M4, Swansea (Grid ref SS619980)
A483 between Penygarn Rd and A474 Stryd Fawr (High St), Carmarthenshire (Grid ref SN620117)
A483 between Aberlash Rd, Ammanford and B4556 Blaenau Rd, Carmarthenshire (Grid ref SN620150)
A483 between B4620 Ffordd Cynore and A484, Swansea (Grid ref SS623970)
A483 between A474 and Aberlash Rd, Carmarthenshire (Grid ref SN625130)
A483 between B4556 and A476 HEOL CENNEN, Carmarthenshire (Grid ref SN627202)
A483 between A476 and A40, Carmarthenshire (Grid ref SN627217)
A483 between A4216 Station Rd and B4620 Ffordd Cynore, Swansea (Grid ref SS629960)
A483 between A4118 Dyfatty St and A4216 Station Rd, Swansea (Grid ref SS650947)
A483 between A4067 / A4217 and A4118, Swansea (Grid ref SS660935)
A483 between Swansea boundary and A4217 / A4067, Swansea (Grid ref SS678930)
A483 between Neath Port Talbot boundary and B4290, Neath Port Talbot (Grid ref SS700929)
A483 between B4290 and M4 Jn42 eastern spur, Neath Port Talbot (Grid ref SS720934)
A483 between M4 eastern spur (mid-junction) and A48, Neath Port Talbot (Grid ref SS729939)
A483 between A40 and C-road south of Cynghordy, Carmarthenshire (Grid ref SN800386)
A483 between C-road south of Cynghordy and Carmarthenshire boundary, Carmarthenshire (Grid ref SN825415)
A483 between Powys boundary and B4358, Powys (Grid ref SN900496)
A483 between B4358 and B4519, Powys (Grid ref SN940500)
A483 between B4519 and A483 Park rd, Powys (Grid ref SO000514)
A483 between A483 Bulith Wells and A470, Powys (Grid ref SO038511)
A483 between A483 Bulith Wells and A470, Powys (Grid ref SO039509)
A483 between A470 and A481, Powys (Grid ref SO044516)
A483 between A481 and A4081 mid-intersection, Powys (Grid ref SO055600)
A483 between A4081 mid-junction and A4081 Brookland Rd, Powys (Grid ref SO060614)
A483 between B4356 and B4355, Powys (Grid ref SO084800)
A483 between A4081 and A44, Powys (Grid ref SO084639)
A483 between A44 and B4356, Powys (Grid ref SO100677)
A483 between B4355 and Plantation Lane, Newtown, Powys (Grid ref SO100897)
A483 between Plantation Lane and A489, Powys (Grid ref SO106910)
A483 between A489 and B 4389, Powys (Grid ref SO128921)
A483 between B4389 and B4386, Powys (Grid ref SO150936)
A483 between B4386 and A490, Powys (Grid ref SO192999)
A483 between A490 and A458, Powys (Grid ref SJ227063)
A483 between A458 and A458, Powys (Grid ref SJ240084)
A483 between A458 and B4393, Powys (Grid ref SJ247100)
A483 between Powys boundary and Powys boundary, Powys (Grid ref SJ266209)
A483 between Shropshire boundary and Shropshire boundary, Shropshire (Grid ref SJ267206)
A483 between B4393 and Powys boundary, Powys (Grid ref SJ268200)
A483 between Shropshire boundary and A495, Shropshire (Grid ref SJ280233)
A483 between A495 and B5069, Shropshire (Grid ref SJ286250)
A483 between A5 and A539, Wrexham (Grid ref SJ298419)
A483 between B5069 and A5(T), Shropshire (Grid ref SJ300275)
A483 between A539 and A5152, Wrexham (Grid ref SJ309445)
A483 between A5152 and A525, Wrexham (Grid ref SJ309490)
A483 between A525 and A541, Wrexham (Grid ref SJ318506)
A483 between A541 and A5156, Wrexham (Grid ref SJ332525)
A483 between A5156 and B5102, Wrexham (Grid ref SJ347553)
A483 between B5102 and Wrexham boundary, Wrexham (Grid ref SJ365590)
A483 between West Cheshire boundary and A55, West Cheshire (Grid ref SJ380614)
A483 between A55(T) and Herons Way roundabout, West Cheshire (Grid ref SJ393630)
A483 between Herons Way roundabout and A5104, West Cheshire (Grid ref SJ400641)
A483 between A5104 and A5268, West Cheshire (Grid ref SJ402655)