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B4285, Aberfan Road, Merthyr Tydfil (Grid ref SO072012) A4054 between Commercial Terrace, Treharris and B4285 Bridge St, Troedyrhiw, Merthyr Tydfil (Grid ref SO076000) B4285, Nixonville, Merthyr Tydfil (Grid ref ST073998) A4054 between B4285 Bridge St, Troedyrhiw and A4060, Merthyr Tydfil (Grid ref SO067031) U, Pleasant View, Merthyr Tydfil (Grid ref SO095015) A4060 between A470(T) and A4054, Merthyr Tydfil (Grid ref SO062033) A4059 between A470 and A4275, Rhondda, Cynon, Taff (Grid ref ST050991) U, N/a, Rhondda, Cynon, Taff (Grid ref ST042999) A470 between Merthyr Tydfil boundary and A4060, Merthyr Tydfil (Grid ref ST077980) A470 between Pentrebach and A4102S, Merthyr Tydfil (Grid ref SO051040) B4275, Penrhiwceiber Road, Rhondda, Cynon, Taff (Grid ref ST054980) B4275, Aberdare Road, Rhondda, Cynon, Taff (Grid ref ST037994) A4059 between B4275, Mountain Ash and Canal Rd, Cwmbach, Rhondda, Cynon, Taff (Grid ref SO034000) U, Hawthorn Terrace, Rhondda, Cynon, Taff (Grid ref ST053976) A4060 between A4054 and A4102, Merthyr Tydfil (Grid ref SO059050) A4054 between A4060 and A4102, Merthyr Tydfil (Grid ref SO054050) A4102 between A470(T) and A4054, Merthyr Tydfil (Grid ref SO049055) A4059 between B4275, Aberaman and Canal Rd, Cwmbach, Rhondda, Cynon, Taff (Grid ref SO022011) C, Penheolferthyr, Merthyr Tydfil (Grid ref SO060060) A4054 between A4102 (S) and A4102 (N), Merthyr Tydfil (Grid ref SO049056)